Home / 10,049.87-13,868.62-5,572.90

Finding the Fourth Proportional to 10,049.87, 13,868.62 and 5,572.90

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Solution

The fourth proportional to 10,049.87, 13,868.62 and 5,572.90 is: 7,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,049.87 : 13,868.62 = 5,572.90 : x
  2. Step 2: Convert to fraction form
    10,049.87/13,868.62 = 5,572.90/x
  3. Step 3: Cross multiply
    10,049.87x = 13,868.62 × 5,572.90
  4. Step 4: Simplify right side
    10,049.87x = 77,288,435.80
  5. Step 5: Solve for x
    x = 77,288,435.80/10,049.87
  6. Step 6: Final answer
    x = 7,690.49

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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.