Home / 8,789.50-13,172.16-3,237.46

Finding the Fourth Proportional to 8,789.50, 13,172.16 and 3,237.46

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Solution

The fourth proportional to 8,789.50, 13,172.16 and 3,237.46 is: 4,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.50 : 13,172.16 = 3,237.46 : x
  2. Step 2: Convert to fraction form
    8,789.50/13,172.16 = 3,237.46/x
  3. Step 3: Cross multiply
    8,789.50x = 13,172.16 × 3,237.46
  4. Step 4: Simplify right side
    8,789.50x = 42,644,341.11
  5. Step 5: Solve for x
    x = 42,644,341.11/8,789.50
  6. Step 6: Final answer
    x = 4,851.74

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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.