Home / 10,785.02-16,156.78-6,612.85

Finding the Fourth Proportional to 10,785.02, 16,156.78 and 6,612.85

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Solution

The fourth proportional to 10,785.02, 16,156.78 and 6,612.85 is: 9,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.02 : 16,156.78 = 6,612.85 : x
  2. Step 2: Convert to fraction form
    10,785.02/16,156.78 = 6,612.85/x
  3. Step 3: Cross multiply
    10,785.02x = 16,156.78 × 6,612.85
  4. Step 4: Simplify right side
    10,785.02x = 106,842,366.29
  5. Step 5: Solve for x
    x = 106,842,366.29/10,785.02
  6. Step 6: Final answer
    x = 9,906.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.