Home / 8,093.48-12,127.61-5,125.66

Finding the Fourth Proportional to 8,093.48, 12,127.61 and 5,125.66

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Solution

The fourth proportional to 8,093.48, 12,127.61 and 5,125.66 is: 7,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.48 : 12,127.61 = 5,125.66 : x
  2. Step 2: Convert to fraction form
    8,093.48/12,127.61 = 5,125.66/x
  3. Step 3: Cross multiply
    8,093.48x = 12,127.61 × 5,125.66
  4. Step 4: Simplify right side
    8,093.48x = 62,161,987.97
  5. Step 5: Solve for x
    x = 62,161,987.97/8,093.48
  6. Step 6: Final answer
    x = 7,680.51

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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.