Home / 11,246.92-15,522.42-10,902.76

Finding the Fourth Proportional to 11,246.92, 15,522.42 and 10,902.76

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Solution

The fourth proportional to 11,246.92, 15,522.42 and 10,902.76 is: 15,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.92 : 15,522.42 = 10,902.76 : x
  2. Step 2: Convert to fraction form
    11,246.92/15,522.42 = 10,902.76/x
  3. Step 3: Cross multiply
    11,246.92x = 15,522.42 × 10,902.76
  4. Step 4: Simplify right side
    11,246.92x = 169,237,219.88
  5. Step 5: Solve for x
    x = 169,237,219.88/11,246.92
  6. Step 6: Final answer
    x = 15,047.43

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Half scale
Find fourth proportional to 22,493.84, 31,044.84 and 21,805.52
Double scale
Find fourth proportional to 11,247.92, 15,523.80 and 10,903.76
Similar ratio
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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.