Home / 11,499.19-17,248.79-4,578.55

Finding the Fourth Proportional to 11,499.19, 17,248.79 and 4,578.55

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Solution

The fourth proportional to 11,499.19, 17,248.79 and 4,578.55 is: 6,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,499.19 : 17,248.79 = 4,578.55 : x
  2. Step 2: Convert to fraction form
    11,499.19/17,248.79 = 4,578.55/x
  3. Step 3: Cross multiply
    11,499.19x = 17,248.79 × 4,578.55
  4. Step 4: Simplify right side
    11,499.19x = 78,974,415.78
  5. Step 5: Solve for x
    x = 78,974,415.78/11,499.19
  6. Step 6: Final answer
    x = 6,867.83

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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.