Home / 10,407.25-15,610.89-4,251.25

Finding the Fourth Proportional to 10,407.25, 15,610.89 and 4,251.25

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Solution

The fourth proportional to 10,407.25, 15,610.89 and 4,251.25 is: 6,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.25 : 15,610.89 = 4,251.25 : x
  2. Step 2: Convert to fraction form
    10,407.25/15,610.89 = 4,251.25/x
  3. Step 3: Cross multiply
    10,407.25x = 15,610.89 × 4,251.25
  4. Step 4: Simplify right side
    10,407.25x = 66,365,796.11
  5. Step 5: Solve for x
    x = 66,365,796.11/10,407.25
  6. Step 6: Final answer
    x = 6,376.88

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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.