Home / 8,757.93-12,085.83-4,778.96

Finding the Fourth Proportional to 8,757.93, 12,085.83 and 4,778.96

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Solution

The fourth proportional to 8,757.93, 12,085.83 and 4,778.96 is: 6,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.93 : 12,085.83 = 4,778.96 : x
  2. Step 2: Convert to fraction form
    8,757.93/12,085.83 = 4,778.96/x
  3. Step 3: Cross multiply
    8,757.93x = 12,085.83 × 4,778.96
  4. Step 4: Simplify right side
    8,757.93x = 57,757,637.71
  5. Step 5: Solve for x
    x = 57,757,637.71/8,757.93
  6. Step 6: Final answer
    x = 6,594.90

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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.