Home / 10,954.60-15,117.32-5,918.83

Finding the Fourth Proportional to 10,954.60, 15,117.32 and 5,918.83

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Solution

The fourth proportional to 10,954.60, 15,117.32 and 5,918.83 is: 8,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.60 : 15,117.32 = 5,918.83 : x
  2. Step 2: Convert to fraction form
    10,954.60/15,117.32 = 5,918.83/x
  3. Step 3: Cross multiply
    10,954.60x = 15,117.32 × 5,918.83
  4. Step 4: Simplify right side
    10,954.60x = 89,476,824.14
  5. Step 5: Solve for x
    x = 89,476,824.14/10,954.60
  6. Step 6: Final answer
    x = 8,167.97

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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.