Home / 10,276.38-15,414.81-4,734.36

Finding the Fourth Proportional to 10,276.38, 15,414.81 and 4,734.36

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Solution

The fourth proportional to 10,276.38, 15,414.81 and 4,734.36 is: 7,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.38 : 15,414.81 = 4,734.36 : x
  2. Step 2: Convert to fraction form
    10,276.38/15,414.81 = 4,734.36/x
  3. Step 3: Cross multiply
    10,276.38x = 15,414.81 × 4,734.36
  4. Step 4: Simplify right side
    10,276.38x = 72,979,259.87
  5. Step 5: Solve for x
    x = 72,979,259.87/10,276.38
  6. Step 6: Final answer
    x = 7,101.65

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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.