Home / 10,071.20-15,100.89-3,049.10

Finding the Fourth Proportional to 10,071.20, 15,100.89 and 3,049.10

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Solution

The fourth proportional to 10,071.20, 15,100.89 and 3,049.10 is: 4,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.20 : 15,100.89 = 3,049.10 : x
  2. Step 2: Convert to fraction form
    10,071.20/15,100.89 = 3,049.10/x
  3. Step 3: Cross multiply
    10,071.20x = 15,100.89 × 3,049.10
  4. Step 4: Simplify right side
    10,071.20x = 46,044,123.70
  5. Step 5: Solve for x
    x = 46,044,123.70/10,071.20
  6. Step 6: Final answer
    x = 4,571.86

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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.