Home / 9,328.75-12,874.60-6,966.79

Finding the Fourth Proportional to 9,328.75, 12,874.60 and 6,966.79

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Solution

The fourth proportional to 9,328.75, 12,874.60 and 6,966.79 is: 9,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.75 : 12,874.60 = 6,966.79 : x
  2. Step 2: Convert to fraction form
    9,328.75/12,874.60 = 6,966.79/x
  3. Step 3: Cross multiply
    9,328.75x = 12,874.60 × 6,966.79
  4. Step 4: Simplify right side
    9,328.75x = 89,694,611.06
  5. Step 5: Solve for x
    x = 89,694,611.06/9,328.75
  6. Step 6: Final answer
    x = 9,614.86

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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.