Home / 8,432.16-11,641.80-5,452.56

Finding the Fourth Proportional to 8,432.16, 11,641.80 and 5,452.56

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Solution

The fourth proportional to 8,432.16, 11,641.80 and 5,452.56 is: 7,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.16 : 11,641.80 = 5,452.56 : x
  2. Step 2: Convert to fraction form
    8,432.16/11,641.80 = 5,452.56/x
  3. Step 3: Cross multiply
    8,432.16x = 11,641.80 × 5,452.56
  4. Step 4: Simplify right side
    8,432.16x = 63,477,613.01
  5. Step 5: Solve for x
    x = 63,477,613.01/8,432.16
  6. Step 6: Final answer
    x = 7,528.04

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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.