Home / 10,972.48-15,141.18-6,495.88

Finding the Fourth Proportional to 10,972.48, 15,141.18 and 6,495.88

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Solution

The fourth proportional to 10,972.48, 15,141.18 and 6,495.88 is: 8,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.48 : 15,141.18 = 6,495.88 : x
  2. Step 2: Convert to fraction form
    10,972.48/15,141.18 = 6,495.88/x
  3. Step 3: Cross multiply
    10,972.48x = 15,141.18 × 6,495.88
  4. Step 4: Simplify right side
    10,972.48x = 98,355,288.34
  5. Step 5: Solve for x
    x = 98,355,288.34/10,972.48
  6. Step 6: Final answer
    x = 8,963.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.