Home / 10,627.97-15,928.07-4,380.84

Finding the Fourth Proportional to 10,627.97, 15,928.07 and 4,380.84

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Solution

The fourth proportional to 10,627.97, 15,928.07 and 4,380.84 is: 6,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.97 : 15,928.07 = 4,380.84 : x
  2. Step 2: Convert to fraction form
    10,627.97/15,928.07 = 4,380.84/x
  3. Step 3: Cross multiply
    10,627.97x = 15,928.07 × 4,380.84
  4. Step 4: Simplify right side
    10,627.97x = 69,778,304.27
  5. Step 5: Solve for x
    x = 69,778,304.27/10,627.97
  6. Step 6: Final answer
    x = 6,565.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.