Home / 9,366.96-12,926.40-5,175.28

Finding the Fourth Proportional to 9,366.96, 12,926.40 and 5,175.28

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Solution

The fourth proportional to 9,366.96, 12,926.40 and 5,175.28 is: 7,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.96 : 12,926.40 = 5,175.28 : x
  2. Step 2: Convert to fraction form
    9,366.96/12,926.40 = 5,175.28/x
  3. Step 3: Cross multiply
    9,366.96x = 12,926.40 × 5,175.28
  4. Step 4: Simplify right side
    9,366.96x = 66,897,739.39
  5. Step 5: Solve for x
    x = 66,897,739.39/9,366.96
  6. Step 6: Final answer
    x = 7,141.88

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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.