Home / 10,992.46-15,169.58-5,956.71

Finding the Fourth Proportional to 10,992.46, 15,169.58 and 5,956.71

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Solution

The fourth proportional to 10,992.46, 15,169.58 and 5,956.71 is: 8,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.46 : 15,169.58 = 5,956.71 : x
  2. Step 2: Convert to fraction form
    10,992.46/15,169.58 = 5,956.71/x
  3. Step 3: Cross multiply
    10,992.46x = 15,169.58 × 5,956.71
  4. Step 4: Simplify right side
    10,992.46x = 90,360,724.55
  5. Step 5: Solve for x
    x = 90,360,724.55/10,992.46
  6. Step 6: Final answer
    x = 8,220.25

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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.