Home / 9,151.20-13,727.60-2,577.44

Finding the Fourth Proportional to 9,151.20, 13,727.60 and 2,577.44

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Solution

The fourth proportional to 9,151.20, 13,727.60 and 2,577.44 is: 3,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.20 : 13,727.60 = 2,577.44 : x
  2. Step 2: Convert to fraction form
    9,151.20/13,727.60 = 2,577.44/x
  3. Step 3: Cross multiply
    9,151.20x = 13,727.60 × 2,577.44
  4. Step 4: Simplify right side
    9,151.20x = 35,382,065.34
  5. Step 5: Solve for x
    x = 35,382,065.34/9,151.20
  6. Step 6: Final answer
    x = 3,866.39

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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.