Home / 10,925.88-15,079.65-6,449.34

Finding the Fourth Proportional to 10,925.88, 15,079.65 and 6,449.34

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Solution

The fourth proportional to 10,925.88, 15,079.65 and 6,449.34 is: 8,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.88 : 15,079.65 = 6,449.34 : x
  2. Step 2: Convert to fraction form
    10,925.88/15,079.65 = 6,449.34/x
  3. Step 3: Cross multiply
    10,925.88x = 15,079.65 × 6,449.34
  4. Step 4: Simplify right side
    10,925.88x = 97,253,789.93
  5. Step 5: Solve for x
    x = 97,253,789.93/10,925.88
  6. Step 6: Final answer
    x = 8,901.23

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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.