Home / 11,124.11-15,346.62-7,294.70

Finding the Fourth Proportional to 11,124.11, 15,346.62 and 7,294.70

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Solution

The fourth proportional to 11,124.11, 15,346.62 and 7,294.70 is: 10,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.11 : 15,346.62 = 7,294.70 : x
  2. Step 2: Convert to fraction form
    11,124.11/15,346.62 = 7,294.70/x
  3. Step 3: Cross multiply
    11,124.11x = 15,346.62 × 7,294.70
  4. Step 4: Simplify right side
    11,124.11x = 111,948,912.18
  5. Step 5: Solve for x
    x = 111,948,912.18/11,124.11
  6. Step 6: Final answer
    x = 10,063.63

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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.