Home / 10,147.73-15,221.55-2,752.17

Finding the Fourth Proportional to 10,147.73, 15,221.55 and 2,752.17

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Solution

The fourth proportional to 10,147.73, 15,221.55 and 2,752.17 is: 4,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.73 : 15,221.55 = 2,752.17 : x
  2. Step 2: Convert to fraction form
    10,147.73/15,221.55 = 2,752.17/x
  3. Step 3: Cross multiply
    10,147.73x = 15,221.55 × 2,752.17
  4. Step 4: Simplify right side
    10,147.73x = 41,892,293.26
  5. Step 5: Solve for x
    x = 41,892,293.26/10,147.73
  6. Step 6: Final answer
    x = 4,128.24

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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.