Home / 9,809.44-13,530.18-6,451.18

Finding the Fourth Proportional to 9,809.44, 13,530.18 and 6,451.18

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Solution

The fourth proportional to 9,809.44, 13,530.18 and 6,451.18 is: 8,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.44 : 13,530.18 = 6,451.18 : x
  2. Step 2: Convert to fraction form
    9,809.44/13,530.18 = 6,451.18/x
  3. Step 3: Cross multiply
    9,809.44x = 13,530.18 × 6,451.18
  4. Step 4: Simplify right side
    9,809.44x = 87,285,626.61
  5. Step 5: Solve for x
    x = 87,285,626.61/9,809.44
  6. Step 6: Final answer
    x = 8,898.13

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Half scale
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Double scale
Find fourth proportional to 9,810.44, 13,531.56 and 6,452.18
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.