Home / 11,613.20-16,024.36-7,635.92

Finding the Fourth Proportional to 11,613.20, 16,024.36 and 7,635.92

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Solution

The fourth proportional to 11,613.20, 16,024.36 and 7,635.92 is: 10,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.20 : 16,024.36 = 7,635.92 : x
  2. Step 2: Convert to fraction form
    11,613.20/16,024.36 = 7,635.92/x
  3. Step 3: Cross multiply
    11,613.20x = 16,024.36 × 7,635.92
  4. Step 4: Simplify right side
    11,613.20x = 122,360,731.01
  5. Step 5: Solve for x
    x = 122,360,731.01/11,613.20
  6. Step 6: Final answer
    x = 10,536.35

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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.