Home / 11,643.12-16,067.34-6,337.98

Finding the Fourth Proportional to 11,643.12, 16,067.34 and 6,337.98

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Solution

The fourth proportional to 11,643.12, 16,067.34 and 6,337.98 is: 8,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.12 : 16,067.34 = 6,337.98 : x
  2. Step 2: Convert to fraction form
    11,643.12/16,067.34 = 6,337.98/x
  3. Step 3: Cross multiply
    11,643.12x = 16,067.34 × 6,337.98
  4. Step 4: Simplify right side
    11,643.12x = 101,834,479.57
  5. Step 5: Solve for x
    x = 101,834,479.57/11,643.12
  6. Step 6: Final answer
    x = 8,746.32

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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.