Home / 8,713.27-13,062.55-3,779.19

Finding the Fourth Proportional to 8,713.27, 13,062.55 and 3,779.19

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Solution

The fourth proportional to 8,713.27, 13,062.55 and 3,779.19 is: 5,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.27 : 13,062.55 = 3,779.19 : x
  2. Step 2: Convert to fraction form
    8,713.27/13,062.55 = 3,779.19/x
  3. Step 3: Cross multiply
    8,713.27x = 13,062.55 × 3,779.19
  4. Step 4: Simplify right side
    8,713.27x = 49,365,831.48
  5. Step 5: Solve for x
    x = 49,365,831.48/8,713.27
  6. Step 6: Final answer
    x = 5,665.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.