Home / 11,087.92-15,301.40-6,119.92

Finding the Fourth Proportional to 11,087.92, 15,301.40 and 6,119.92

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Solution

The fourth proportional to 11,087.92, 15,301.40 and 6,119.92 is: 8,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.92 : 15,301.40 = 6,119.92 : x
  2. Step 2: Convert to fraction form
    11,087.92/15,301.40 = 6,119.92/x
  3. Step 3: Cross multiply
    11,087.92x = 15,301.40 × 6,119.92
  4. Step 4: Simplify right side
    11,087.92x = 93,643,343.89
  5. Step 5: Solve for x
    x = 93,643,343.89/11,087.92
  6. Step 6: Final answer
    x = 8,445.53

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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.