Home / 11,129.70-15,358.36-6,092.92

Finding the Fourth Proportional to 11,129.70, 15,358.36 and 6,092.92

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Solution

The fourth proportional to 11,129.70, 15,358.36 and 6,092.92 is: 8,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.70 : 15,358.36 = 6,092.92 : x
  2. Step 2: Convert to fraction form
    11,129.70/15,358.36 = 6,092.92/x
  3. Step 3: Cross multiply
    11,129.70x = 15,358.36 × 6,092.92
  4. Step 4: Simplify right side
    11,129.70x = 93,577,274.20
  5. Step 5: Solve for x
    x = 93,577,274.20/11,129.70
  6. Step 6: Final answer
    x = 8,407.89

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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.