Home / 11,500.35-17,246.85-4,479.90

Finding the Fourth Proportional to 11,500.35, 17,246.85 and 4,479.90

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Solution

The fourth proportional to 11,500.35, 17,246.85 and 4,479.90 is: 6,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.35 : 17,246.85 = 4,479.90 : x
  2. Step 2: Convert to fraction form
    11,500.35/17,246.85 = 4,479.90/x
  3. Step 3: Cross multiply
    11,500.35x = 17,246.85 × 4,479.90
  4. Step 4: Simplify right side
    11,500.35x = 77,264,163.32
  5. Step 5: Solve for x
    x = 77,264,163.32/11,500.35
  6. Step 6: Final answer
    x = 6,718.42

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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.