Home / 8,715.60-13,069.62-3,167.10

Finding the Fourth Proportional to 8,715.60, 13,069.62 and 3,167.10

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Solution

The fourth proportional to 8,715.60, 13,069.62 and 3,167.10 is: 4,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.60 : 13,069.62 = 3,167.10 : x
  2. Step 2: Convert to fraction form
    8,715.60/13,069.62 = 3,167.10/x
  3. Step 3: Cross multiply
    8,715.60x = 13,069.62 × 3,167.10
  4. Step 4: Simplify right side
    8,715.60x = 41,392,793.50
  5. Step 5: Solve for x
    x = 41,392,793.50/8,715.60
  6. Step 6: Final answer
    x = 4,749.28

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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.