Home / 10,257.52-15,386.28-5,871.94

Finding the Fourth Proportional to 10,257.52, 15,386.28 and 5,871.94

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Solution

The fourth proportional to 10,257.52, 15,386.28 and 5,871.94 is: 8,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.52 : 15,386.28 = 5,871.94 : x
  2. Step 2: Convert to fraction form
    10,257.52/15,386.28 = 5,871.94/x
  3. Step 3: Cross multiply
    10,257.52x = 15,386.28 × 5,871.94
  4. Step 4: Simplify right side
    10,257.52x = 90,347,312.98
  5. Step 5: Solve for x
    x = 90,347,312.98/10,257.52
  6. Step 6: Final answer
    x = 8,807.91

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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.