Home / 10,884.11-15,023.49-6,171.53

Finding the Fourth Proportional to 10,884.11, 15,023.49 and 6,171.53

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Solution

The fourth proportional to 10,884.11, 15,023.49 and 6,171.53 is: 8,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.11 : 15,023.49 = 6,171.53 : x
  2. Step 2: Convert to fraction form
    10,884.11/15,023.49 = 6,171.53/x
  3. Step 3: Cross multiply
    10,884.11x = 15,023.49 × 6,171.53
  4. Step 4: Simplify right side
    10,884.11x = 92,717,919.24
  5. Step 5: Solve for x
    x = 92,717,919.24/10,884.11
  6. Step 6: Final answer
    x = 8,518.65

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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.