Home / 10,374.13-15,558-2,976.61

Finding the Fourth Proportional to 10,374.13, 15,558 and 2,976.61

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Solution

The fourth proportional to 10,374.13, 15,558 and 2,976.61 is: 4,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.13 : 15,558 = 2,976.61 : x
  2. Step 2: Convert to fraction form
    10,374.13/15,558 = 2,976.61/x
  3. Step 3: Cross multiply
    10,374.13x = 15,558 × 2,976.61
  4. Step 4: Simplify right side
    10,374.13x = 46,310,098.38
  5. Step 5: Solve for x
    x = 46,310,098.38/10,374.13
  6. Step 6: Final answer
    x = 4,464.00

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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.