Home / 10,312.17-15,467.46-3,291.90

Finding the Fourth Proportional to 10,312.17, 15,467.46 and 3,291.90

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Solution

The fourth proportional to 10,312.17, 15,467.46 and 3,291.90 is: 4,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.17 : 15,467.46 = 3,291.90 : x
  2. Step 2: Convert to fraction form
    10,312.17/15,467.46 = 3,291.90/x
  3. Step 3: Cross multiply
    10,312.17x = 15,467.46 × 3,291.90
  4. Step 4: Simplify right side
    10,312.17x = 50,917,331.57
  5. Step 5: Solve for x
    x = 50,917,331.57/10,312.17
  6. Step 6: Final answer
    x = 4,937.60

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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.