Home / 9,049.20-13,562.44-5,155.80

Finding the Fourth Proportional to 9,049.20, 13,562.44 and 5,155.80

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Solution

The fourth proportional to 9,049.20, 13,562.44 and 5,155.80 is: 7,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.20 : 13,562.44 = 5,155.80 : x
  2. Step 2: Convert to fraction form
    9,049.20/13,562.44 = 5,155.80/x
  3. Step 3: Cross multiply
    9,049.20x = 13,562.44 × 5,155.80
  4. Step 4: Simplify right side
    9,049.20x = 69,925,228.15
  5. Step 5: Solve for x
    x = 69,925,228.15/9,049.20
  6. Step 6: Final answer
    x = 7,727.23

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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.