Home / 10,500.59-15,753.97-3,105.24

Finding the Fourth Proportional to 10,500.59, 15,753.97 and 3,105.24

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Solution

The fourth proportional to 10,500.59, 15,753.97 and 3,105.24 is: 4,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.59 : 15,753.97 = 3,105.24 : x
  2. Step 2: Convert to fraction form
    10,500.59/15,753.97 = 3,105.24/x
  3. Step 3: Cross multiply
    10,500.59x = 15,753.97 × 3,105.24
  4. Step 4: Simplify right side
    10,500.59x = 48,919,881.66
  5. Step 5: Solve for x
    x = 48,919,881.66/10,500.59
  6. Step 6: Final answer
    x = 4,658.77

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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.