Home / 10,947.52-15,107.70-6,231.88

Finding the Fourth Proportional to 10,947.52, 15,107.70 and 6,231.88

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Solution

The fourth proportional to 10,947.52, 15,107.70 and 6,231.88 is: 8,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.52 : 15,107.70 = 6,231.88 : x
  2. Step 2: Convert to fraction form
    10,947.52/15,107.70 = 6,231.88/x
  3. Step 3: Cross multiply
    10,947.52x = 15,107.70 × 6,231.88
  4. Step 4: Simplify right side
    10,947.52x = 94,149,373.48
  5. Step 5: Solve for x
    x = 94,149,373.48/10,947.52
  6. Step 6: Final answer
    x = 8,600.06

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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.