Home / 8,112.74-11,191.68-4,753.47

Finding the Fourth Proportional to 8,112.74, 11,191.68 and 4,753.47

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Solution

The fourth proportional to 8,112.74, 11,191.68 and 4,753.47 is: 6,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.74 : 11,191.68 = 4,753.47 : x
  2. Step 2: Convert to fraction form
    8,112.74/11,191.68 = 4,753.47/x
  3. Step 3: Cross multiply
    8,112.74x = 11,191.68 × 4,753.47
  4. Step 4: Simplify right side
    8,112.74x = 53,199,315.13
  5. Step 5: Solve for x
    x = 53,199,315.13/8,112.74
  6. Step 6: Final answer
    x = 6,557.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.