Home / 8,607.55-11,879.28-5,252.62

Finding the Fourth Proportional to 8,607.55, 11,879.28 and 5,252.62

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Solution

The fourth proportional to 8,607.55, 11,879.28 and 5,252.62 is: 7,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.55 : 11,879.28 = 5,252.62 : x
  2. Step 2: Convert to fraction form
    8,607.55/11,879.28 = 5,252.62/x
  3. Step 3: Cross multiply
    8,607.55x = 11,879.28 × 5,252.62
  4. Step 4: Simplify right side
    8,607.55x = 62,397,309.30
  5. Step 5: Solve for x
    x = 62,397,309.30/8,607.55
  6. Step 6: Final answer
    x = 7,249.13

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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.