Home / 10,249.31-15,373.70-2,853.47

Finding the Fourth Proportional to 10,249.31, 15,373.70 and 2,853.47

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Solution

The fourth proportional to 10,249.31, 15,373.70 and 2,853.47 is: 4,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.31 : 15,373.70 = 2,853.47 : x
  2. Step 2: Convert to fraction form
    10,249.31/15,373.70 = 2,853.47/x
  3. Step 3: Cross multiply
    10,249.31x = 15,373.70 × 2,853.47
  4. Step 4: Simplify right side
    10,249.31x = 43,868,426.61
  5. Step 5: Solve for x
    x = 43,868,426.61/10,249.31
  6. Step 6: Final answer
    x = 4,280.13

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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.