Home / 8,946.12-12,350.46-6,117.66

Finding the Fourth Proportional to 8,946.12, 12,350.46 and 6,117.66

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Solution

The fourth proportional to 8,946.12, 12,350.46 and 6,117.66 is: 8,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.12 : 12,350.46 = 6,117.66 : x
  2. Step 2: Convert to fraction form
    8,946.12/12,350.46 = 6,117.66/x
  3. Step 3: Cross multiply
    8,946.12x = 12,350.46 × 6,117.66
  4. Step 4: Simplify right side
    8,946.12x = 75,555,915.12
  5. Step 5: Solve for x
    x = 75,555,915.12/8,946.12
  6. Step 6: Final answer
    x = 8,445.66

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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.