Home / 7,117.50-10,677.62-2,186.26

Finding the Fourth Proportional to 7,117.50, 10,677.62 and 2,186.26

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Solution

The fourth proportional to 7,117.50, 10,677.62 and 2,186.26 is: 3,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.50 : 10,677.62 = 2,186.26 : x
  2. Step 2: Convert to fraction form
    7,117.50/10,677.62 = 2,186.26/x
  3. Step 3: Cross multiply
    7,117.50x = 10,677.62 × 2,186.26
  4. Step 4: Simplify right side
    7,117.50x = 23,344,042.57
  5. Step 5: Solve for x
    x = 23,344,042.57/7,117.50
  6. Step 6: Final answer
    x = 3,279.81

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1.5x scale

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.