Home / 10,934.25-15,086.84-6,458.19

Finding the Fourth Proportional to 10,934.25, 15,086.84 and 6,458.19

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Solution

The fourth proportional to 10,934.25, 15,086.84 and 6,458.19 is: 8,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.25 : 15,086.84 = 6,458.19 : x
  2. Step 2: Convert to fraction form
    10,934.25/15,086.84 = 6,458.19/x
  3. Step 3: Cross multiply
    10,934.25x = 15,086.84 × 6,458.19
  4. Step 4: Simplify right side
    10,934.25x = 97,433,646.93
  5. Step 5: Solve for x
    x = 97,433,646.93/10,934.25
  6. Step 6: Final answer
    x = 8,910.87

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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.