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Finding the Fourth Proportional to 10,927, 15,079.26 and 5,959

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Solution

The fourth proportional to 10,927, 15,079.26 and 5,959 is: 8,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927 : 15,079.26 = 5,959 : x
  2. Step 2: Convert to fraction form
    10,927/15,079.26 = 5,959/x
  3. Step 3: Cross multiply
    10,927x = 15,079.26 × 5,959
  4. Step 4: Simplify right side
    10,927x = 89,857,310.34
  5. Step 5: Solve for x
    x = 89,857,310.34/10,927
  6. Step 6: Final answer
    x = 8,223.42

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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.