Home / 11,275.92-15,560.19-6,239.97

Finding the Fourth Proportional to 11,275.92, 15,560.19 and 6,239.97

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Solution

The fourth proportional to 11,275.92, 15,560.19 and 6,239.97 is: 8,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.92 : 15,560.19 = 6,239.97 : x
  2. Step 2: Convert to fraction form
    11,275.92/15,560.19 = 6,239.97/x
  3. Step 3: Cross multiply
    11,275.92x = 15,560.19 × 6,239.97
  4. Step 4: Simplify right side
    11,275.92x = 97,095,118.79
  5. Step 5: Solve for x
    x = 97,095,118.79/11,275.92
  6. Step 6: Final answer
    x = 8,610.84

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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.