Home / 10,972.58-15,141.20-6,495.53

Finding the Fourth Proportional to 10,972.58, 15,141.20 and 6,495.53

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Solution

The fourth proportional to 10,972.58, 15,141.20 and 6,495.53 is: 8,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.58 : 15,141.20 = 6,495.53 : x
  2. Step 2: Convert to fraction form
    10,972.58/15,141.20 = 6,495.53/x
  3. Step 3: Cross multiply
    10,972.58x = 15,141.20 × 6,495.53
  4. Step 4: Simplify right side
    10,972.58x = 98,350,010.65
  5. Step 5: Solve for x
    x = 98,350,010.65/10,972.58
  6. Step 6: Final answer
    x = 8,963.26

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1.5x scale

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.