Home / 10,174.47-15,262.31-3,155.14

Finding the Fourth Proportional to 10,174.47, 15,262.31 and 3,155.14

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Solution

The fourth proportional to 10,174.47, 15,262.31 and 3,155.14 is: 4,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.47 : 15,262.31 = 3,155.14 : x
  2. Step 2: Convert to fraction form
    10,174.47/15,262.31 = 3,155.14/x
  3. Step 3: Cross multiply
    10,174.47x = 15,262.31 × 3,155.14
  4. Step 4: Simplify right side
    10,174.47x = 48,154,724.77
  5. Step 5: Solve for x
    x = 48,154,724.77/10,174.47
  6. Step 6: Final answer
    x = 4,732.90

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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.