Home / 10,254.92-15,371.57-5,319.32

Finding the Fourth Proportional to 10,254.92, 15,371.57 and 5,319.32

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Solution

The fourth proportional to 10,254.92, 15,371.57 and 5,319.32 is: 7,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.92 : 15,371.57 = 5,319.32 : x
  2. Step 2: Convert to fraction form
    10,254.92/15,371.57 = 5,319.32/x
  3. Step 3: Cross multiply
    10,254.92x = 15,371.57 × 5,319.32
  4. Step 4: Simplify right side
    10,254.92x = 81,766,236.17
  5. Step 5: Solve for x
    x = 81,766,236.17/10,254.92
  6. Step 6: Final answer
    x = 7,973.37

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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.