Home / 8,326.85-11,489.15-5,633.19

Finding the Fourth Proportional to 8,326.85, 11,489.15 and 5,633.19

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Solution

The fourth proportional to 8,326.85, 11,489.15 and 5,633.19 is: 7,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.85 : 11,489.15 = 5,633.19 : x
  2. Step 2: Convert to fraction form
    8,326.85/11,489.15 = 5,633.19/x
  3. Step 3: Cross multiply
    8,326.85x = 11,489.15 × 5,633.19
  4. Step 4: Simplify right side
    8,326.85x = 64,720,536.72
  5. Step 5: Solve for x
    x = 64,720,536.72/8,326.85
  6. Step 6: Final answer
    x = 7,772.52

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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.