Home / 9,500.76-13,115.63-6,319.35

Finding the Fourth Proportional to 9,500.76, 13,115.63 and 6,319.35

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Solution

The fourth proportional to 9,500.76, 13,115.63 and 6,319.35 is: 8,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,500.76 : 13,115.63 = 6,319.35 : x
  2. Step 2: Convert to fraction form
    9,500.76/13,115.63 = 6,319.35/x
  3. Step 3: Cross multiply
    9,500.76x = 13,115.63 × 6,319.35
  4. Step 4: Simplify right side
    9,500.76x = 82,882,272.24
  5. Step 5: Solve for x
    x = 82,882,272.24/9,500.76
  6. Step 6: Final answer
    x = 8,723.75

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Half scale
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Double scale
Find fourth proportional to 9,501.76, 13,117.01 and 6,320.35
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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.