Home / 9,002.77-13,499.70-2,761.28

Finding the Fourth Proportional to 9,002.77, 13,499.70 and 2,761.28

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Solution

The fourth proportional to 9,002.77, 13,499.70 and 2,761.28 is: 4,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.77 : 13,499.70 = 2,761.28 : x
  2. Step 2: Convert to fraction form
    9,002.77/13,499.70 = 2,761.28/x
  3. Step 3: Cross multiply
    9,002.77x = 13,499.70 × 2,761.28
  4. Step 4: Simplify right side
    9,002.77x = 37,276,451.62
  5. Step 5: Solve for x
    x = 37,276,451.62/9,002.77
  6. Step 6: Final answer
    x = 4,140.56

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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.