Home / 10,174.13-15,330.52-8,365.75

Finding the Fourth Proportional to 10,174.13, 15,330.52 and 8,365.75

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Solution

The fourth proportional to 10,174.13, 15,330.52 and 8,365.75 is: 12,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.13 : 15,330.52 = 8,365.75 : x
  2. Step 2: Convert to fraction form
    10,174.13/15,330.52 = 8,365.75/x
  3. Step 3: Cross multiply
    10,174.13x = 15,330.52 × 8,365.75
  4. Step 4: Simplify right side
    10,174.13x = 128,251,255.86
  5. Step 5: Solve for x
    x = 128,251,255.86/10,174.13
  6. Step 6: Final answer
    x = 12,605.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.