Home / 11,152.80-16,729.20-4,583.70

Finding the Fourth Proportional to 11,152.80, 16,729.20 and 4,583.70

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Solution

The fourth proportional to 11,152.80, 16,729.20 and 4,583.70 is: 6,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.80 : 16,729.20 = 4,583.70 : x
  2. Step 2: Convert to fraction form
    11,152.80/16,729.20 = 4,583.70/x
  3. Step 3: Cross multiply
    11,152.80x = 16,729.20 × 4,583.70
  4. Step 4: Simplify right side
    11,152.80x = 76,681,634.04
  5. Step 5: Solve for x
    x = 76,681,634.04/11,152.80
  6. Step 6: Final answer
    x = 6,875.55

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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.