Home / 10,091.14-15,139.27-3,165.70

Finding the Fourth Proportional to 10,091.14, 15,139.27 and 3,165.70

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Solution

The fourth proportional to 10,091.14, 15,139.27 and 3,165.70 is: 4,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.14 : 15,139.27 = 3,165.70 : x
  2. Step 2: Convert to fraction form
    10,091.14/15,139.27 = 3,165.70/x
  3. Step 3: Cross multiply
    10,091.14x = 15,139.27 × 3,165.70
  4. Step 4: Simplify right side
    10,091.14x = 47,926,387.04
  5. Step 5: Solve for x
    x = 47,926,387.04/10,091.14
  6. Step 6: Final answer
    x = 4,749.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.