Home / 8,377.15-11,557.88-4,839.07

Finding the Fourth Proportional to 8,377.15, 11,557.88 and 4,839.07

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Solution

The fourth proportional to 8,377.15, 11,557.88 and 4,839.07 is: 6,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.15 : 11,557.88 = 4,839.07 : x
  2. Step 2: Convert to fraction form
    8,377.15/11,557.88 = 4,839.07/x
  3. Step 3: Cross multiply
    8,377.15x = 11,557.88 × 4,839.07
  4. Step 4: Simplify right side
    8,377.15x = 55,929,366.18
  5. Step 5: Solve for x
    x = 55,929,366.18/8,377.15
  6. Step 6: Final answer
    x = 6,676.42

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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.