Home / 10,901.59-15,043.62-6,120.92

Finding the Fourth Proportional to 10,901.59, 15,043.62 and 6,120.92

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Solution

The fourth proportional to 10,901.59, 15,043.62 and 6,120.92 is: 8,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.59 : 15,043.62 = 6,120.92 : x
  2. Step 2: Convert to fraction form
    10,901.59/15,043.62 = 6,120.92/x
  3. Step 3: Cross multiply
    10,901.59x = 15,043.62 × 6,120.92
  4. Step 4: Simplify right side
    10,901.59x = 92,080,770.47
  5. Step 5: Solve for x
    x = 92,080,770.47/10,901.59
  6. Step 6: Final answer
    x = 8,446.55

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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.