Home / 8,927.97-12,319.46-4,949.05

Finding the Fourth Proportional to 8,927.97, 12,319.46 and 4,949.05

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Solution

The fourth proportional to 8,927.97, 12,319.46 and 4,949.05 is: 6,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.97 : 12,319.46 = 4,949.05 : x
  2. Step 2: Convert to fraction form
    8,927.97/12,319.46 = 4,949.05/x
  3. Step 3: Cross multiply
    8,927.97x = 12,319.46 × 4,949.05
  4. Step 4: Simplify right side
    8,927.97x = 60,969,561.92
  5. Step 5: Solve for x
    x = 60,969,561.92/8,927.97
  6. Step 6: Final answer
    x = 6,829.05

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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.