Home / 10,040.70-15,066.17-4,121.90

Finding the Fourth Proportional to 10,040.70, 15,066.17 and 4,121.90

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Solution

The fourth proportional to 10,040.70, 15,066.17 and 4,121.90 is: 6,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.70 : 15,066.17 = 4,121.90 : x
  2. Step 2: Convert to fraction form
    10,040.70/15,066.17 = 4,121.90/x
  3. Step 3: Cross multiply
    10,040.70x = 15,066.17 × 4,121.90
  4. Step 4: Simplify right side
    10,040.70x = 62,101,246.12
  5. Step 5: Solve for x
    x = 62,101,246.12/10,040.70
  6. Step 6: Final answer
    x = 6,184.95

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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.