Home / 8,555.29-11,806.01-4,778.43

Finding the Fourth Proportional to 8,555.29, 11,806.01 and 4,778.43

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Solution

The fourth proportional to 8,555.29, 11,806.01 and 4,778.43 is: 6,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.29 : 11,806.01 = 4,778.43 : x
  2. Step 2: Convert to fraction form
    8,555.29/11,806.01 = 4,778.43/x
  3. Step 3: Cross multiply
    8,555.29x = 11,806.01 × 4,778.43
  4. Step 4: Simplify right side
    8,555.29x = 56,414,133.33
  5. Step 5: Solve for x
    x = 56,414,133.33/8,555.29
  6. Step 6: Final answer
    x = 6,594.06

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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.