Home / 10,067.06-13,899.12-6,540.32

Finding the Fourth Proportional to 10,067.06, 13,899.12 and 6,540.32

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Solution

The fourth proportional to 10,067.06, 13,899.12 and 6,540.32 is: 9,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.06 : 13,899.12 = 6,540.32 : x
  2. Step 2: Convert to fraction form
    10,067.06/13,899.12 = 6,540.32/x
  3. Step 3: Cross multiply
    10,067.06x = 13,899.12 × 6,540.32
  4. Step 4: Simplify right side
    10,067.06x = 90,904,692.52
  5. Step 5: Solve for x
    x = 90,904,692.52/10,067.06
  6. Step 6: Final answer
    x = 9,029.91

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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.