Home / 6,780.60-9,353.49-4,767.11

Finding the Fourth Proportional to 6,780.60, 9,353.49 and 4,767.11

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Solution

The fourth proportional to 6,780.60, 9,353.49 and 4,767.11 is: 6,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.60 : 9,353.49 = 4,767.11 : x
  2. Step 2: Convert to fraction form
    6,780.60/9,353.49 = 4,767.11/x
  3. Step 3: Cross multiply
    6,780.60x = 9,353.49 × 4,767.11
  4. Step 4: Simplify right side
    6,780.60x = 44,589,115.71
  5. Step 5: Solve for x
    x = 44,589,115.71/6,780.60
  6. Step 6: Final answer
    x = 6,575.98

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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.