Home / 8,707.39-13,061.54-4,031.77

Finding the Fourth Proportional to 8,707.39, 13,061.54 and 4,031.77

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Solution

The fourth proportional to 8,707.39, 13,061.54 and 4,031.77 is: 6,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.39 : 13,061.54 = 4,031.77 : x
  2. Step 2: Convert to fraction form
    8,707.39/13,061.54 = 4,031.77/x
  3. Step 3: Cross multiply
    8,707.39x = 13,061.54 × 4,031.77
  4. Step 4: Simplify right side
    8,707.39x = 52,661,104.97
  5. Step 5: Solve for x
    x = 52,661,104.97/8,707.39
  6. Step 6: Final answer
    x = 6,047.86

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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.