Home / 9,656.06-13,322.10-6,118.76

Finding the Fourth Proportional to 9,656.06, 13,322.10 and 6,118.76

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Solution

The fourth proportional to 9,656.06, 13,322.10 and 6,118.76 is: 8,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,656.06 : 13,322.10 = 6,118.76 : x
  2. Step 2: Convert to fraction form
    9,656.06/13,322.10 = 6,118.76/x
  3. Step 3: Cross multiply
    9,656.06x = 13,322.10 × 6,118.76
  4. Step 4: Simplify right side
    9,656.06x = 81,514,732.60
  5. Step 5: Solve for x
    x = 81,514,732.60/9,656.06
  6. Step 6: Final answer
    x = 8,441.82

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Find fourth proportional to 4,828.03, 6,661.05 and 3,059.38
Half scale
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Double scale
Find fourth proportional to 9,657.06, 13,323.48 and 6,119.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.