Home / 10,520.48-14,505.36-8,523.68

Finding the Fourth Proportional to 10,520.48, 14,505.36 and 8,523.68

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Solution

The fourth proportional to 10,520.48, 14,505.36 and 8,523.68 is: 11,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.48 : 14,505.36 = 8,523.68 : x
  2. Step 2: Convert to fraction form
    10,520.48/14,505.36 = 8,523.68/x
  3. Step 3: Cross multiply
    10,520.48x = 14,505.36 × 8,523.68
  4. Step 4: Simplify right side
    10,520.48x = 123,639,046.92
  5. Step 5: Solve for x
    x = 123,639,046.92/10,520.48
  6. Step 6: Final answer
    x = 11,752.22

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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.