Home / 8,750.34-13,125.50-2,176.52

Finding the Fourth Proportional to 8,750.34, 13,125.50 and 2,176.52

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Solution

The fourth proportional to 8,750.34, 13,125.50 and 2,176.52 is: 3,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.34 : 13,125.50 = 2,176.52 : x
  2. Step 2: Convert to fraction form
    8,750.34/13,125.50 = 2,176.52/x
  3. Step 3: Cross multiply
    8,750.34x = 13,125.50 × 2,176.52
  4. Step 4: Simplify right side
    8,750.34x = 28,567,902.38
  5. Step 5: Solve for x
    x = 28,567,902.38/8,750.34
  6. Step 6: Final answer
    x = 3,264.78

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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.