Home / 8,041.20-11,099.16-7,254.96

Finding the Fourth Proportional to 8,041.20, 11,099.16 and 7,254.96

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Solution

The fourth proportional to 8,041.20, 11,099.16 and 7,254.96 is: 10,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041.20 : 11,099.16 = 7,254.96 : x
  2. Step 2: Convert to fraction form
    8,041.20/11,099.16 = 7,254.96/x
  3. Step 3: Cross multiply
    8,041.20x = 11,099.16 × 7,254.96
  4. Step 4: Simplify right side
    8,041.20x = 80,523,961.83
  5. Step 5: Solve for x
    x = 80,523,961.83/8,041.20
  6. Step 6: Final answer
    x = 10,013.92

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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.