Home / 10,923.75-15,074.79-5,955.75

Finding the Fourth Proportional to 10,923.75, 15,074.79 and 5,955.75

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Solution

The fourth proportional to 10,923.75, 15,074.79 and 5,955.75 is: 8,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.75 : 15,074.79 = 5,955.75 : x
  2. Step 2: Convert to fraction form
    10,923.75/15,074.79 = 5,955.75/x
  3. Step 3: Cross multiply
    10,923.75x = 15,074.79 × 5,955.75
  4. Step 4: Simplify right side
    10,923.75x = 89,781,680.54
  5. Step 5: Solve for x
    x = 89,781,680.54/10,923.75
  6. Step 6: Final answer
    x = 8,218.94

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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.