Home / 10,396.12-14,345.40-5,919.88

Finding the Fourth Proportional to 10,396.12, 14,345.40 and 5,919.88

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Solution

The fourth proportional to 10,396.12, 14,345.40 and 5,919.88 is: 8,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.12 : 14,345.40 = 5,919.88 : x
  2. Step 2: Convert to fraction form
    10,396.12/14,345.40 = 5,919.88/x
  3. Step 3: Cross multiply
    10,396.12x = 14,345.40 × 5,919.88
  4. Step 4: Simplify right side
    10,396.12x = 84,923,046.55
  5. Step 5: Solve for x
    x = 84,923,046.55/10,396.12
  6. Step 6: Final answer
    x = 8,168.73

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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.