Home / 8,101.16-12,132.83-6,237.48

Finding the Fourth Proportional to 8,101.16, 12,132.83 and 6,237.48

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Solution

The fourth proportional to 8,101.16, 12,132.83 and 6,237.48 is: 9,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.16 : 12,132.83 = 6,237.48 : x
  2. Step 2: Convert to fraction form
    8,101.16/12,132.83 = 6,237.48/x
  3. Step 3: Cross multiply
    8,101.16x = 12,132.83 × 6,237.48
  4. Step 4: Simplify right side
    8,101.16x = 75,678,284.47
  5. Step 5: Solve for x
    x = 75,678,284.47/8,101.16
  6. Step 6: Final answer
    x = 9,341.66

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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.