Home / 8,425.54-12,611.66-5,294.72

Finding the Fourth Proportional to 8,425.54, 12,611.66 and 5,294.72

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Solution

The fourth proportional to 8,425.54, 12,611.66 and 5,294.72 is: 7,925.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.54 : 12,611.66 = 5,294.72 : x
  2. Step 2: Convert to fraction form
    8,425.54/12,611.66 = 5,294.72/x
  3. Step 3: Cross multiply
    8,425.54x = 12,611.66 × 5,294.72
  4. Step 4: Simplify right side
    8,425.54x = 66,775,179.78
  5. Step 5: Solve for x
    x = 66,775,179.78/8,425.54
  6. Step 6: Final answer
    x = 7,925.33

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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.