Home / 8,743.24-12,067.86-5,909.32

Finding the Fourth Proportional to 8,743.24, 12,067.86 and 5,909.32

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Solution

The fourth proportional to 8,743.24, 12,067.86 and 5,909.32 is: 8,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.24 : 12,067.86 = 5,909.32 : x
  2. Step 2: Convert to fraction form
    8,743.24/12,067.86 = 5,909.32/x
  3. Step 3: Cross multiply
    8,743.24x = 12,067.86 × 5,909.32
  4. Step 4: Simplify right side
    8,743.24x = 71,312,846.46
  5. Step 5: Solve for x
    x = 71,312,846.46/8,743.24
  6. Step 6: Final answer
    x = 8,156.34

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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.