Home / 8,757.24-12,084.99-5,613.42

Finding the Fourth Proportional to 8,757.24, 12,084.99 and 5,613.42

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Solution

The fourth proportional to 8,757.24, 12,084.99 and 5,613.42 is: 7,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.24 : 12,084.99 = 5,613.42 : x
  2. Step 2: Convert to fraction form
    8,757.24/12,084.99 = 5,613.42/x
  3. Step 3: Cross multiply
    8,757.24x = 12,084.99 × 5,613.42
  4. Step 4: Simplify right side
    8,757.24x = 67,838,148.83
  5. Step 5: Solve for x
    x = 67,838,148.83/8,757.24
  6. Step 6: Final answer
    x = 7,746.52

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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.