Home / 10,892.64-15,024.67-8,650.96

Finding the Fourth Proportional to 10,892.64, 15,024.67 and 8,650.96

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Solution

The fourth proportional to 10,892.64, 15,024.67 and 8,650.96 is: 11,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.64 : 15,024.67 = 8,650.96 : x
  2. Step 2: Convert to fraction form
    10,892.64/15,024.67 = 8,650.96/x
  3. Step 3: Cross multiply
    10,892.64x = 15,024.67 × 8,650.96
  4. Step 4: Simplify right side
    10,892.64x = 129,977,819.18
  5. Step 5: Solve for x
    x = 129,977,819.18/10,892.64
  6. Step 6: Final answer
    x = 11,932.63

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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.