Home / 9,184.32-13,775.22-3,989.52

Finding the Fourth Proportional to 9,184.32, 13,775.22 and 3,989.52

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Solution

The fourth proportional to 9,184.32, 13,775.22 and 3,989.52 is: 5,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.32 : 13,775.22 = 3,989.52 : x
  2. Step 2: Convert to fraction form
    9,184.32/13,775.22 = 3,989.52/x
  3. Step 3: Cross multiply
    9,184.32x = 13,775.22 × 3,989.52
  4. Step 4: Simplify right side
    9,184.32x = 54,956,515.69
  5. Step 5: Solve for x
    x = 54,956,515.69/9,184.32
  6. Step 6: Final answer
    x = 5,983.73

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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.