Home / 10,942.17-15,092.19-7,159.26

Finding the Fourth Proportional to 10,942.17, 15,092.19 and 7,159.26

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Solution

The fourth proportional to 10,942.17, 15,092.19 and 7,159.26 is: 9,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.17 : 15,092.19 = 7,159.26 : x
  2. Step 2: Convert to fraction form
    10,942.17/15,092.19 = 7,159.26/x
  3. Step 3: Cross multiply
    10,942.17x = 15,092.19 × 7,159.26
  4. Step 4: Simplify right side
    10,942.17x = 108,048,912.18
  5. Step 5: Solve for x
    x = 108,048,912.18/10,942.17
  6. Step 6: Final answer
    x = 9,874.54

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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.