Home / 8,707.24-13,064.10-4,087

Finding the Fourth Proportional to 8,707.24, 13,064.10 and 4,087

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Solution

The fourth proportional to 8,707.24, 13,064.10 and 4,087 is: 6,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.24 : 13,064.10 = 4,087 : x
  2. Step 2: Convert to fraction form
    8,707.24/13,064.10 = 4,087/x
  3. Step 3: Cross multiply
    8,707.24x = 13,064.10 × 4,087
  4. Step 4: Simplify right side
    8,707.24x = 53,392,976.70
  5. Step 5: Solve for x
    x = 53,392,976.70/8,707.24
  6. Step 6: Final answer
    x = 6,132.02

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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.