Home / 10,928.74-15,081.21-5,960.74

Finding the Fourth Proportional to 10,928.74, 15,081.21 and 5,960.74

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Solution

The fourth proportional to 10,928.74, 15,081.21 and 5,960.74 is: 8,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.74 : 15,081.21 = 5,960.74 : x
  2. Step 2: Convert to fraction form
    10,928.74/15,081.21 = 5,960.74/x
  3. Step 3: Cross multiply
    10,928.74x = 15,081.21 × 5,960.74
  4. Step 4: Simplify right side
    10,928.74x = 89,895,171.70
  5. Step 5: Solve for x
    x = 89,895,171.70/10,928.74
  6. Step 6: Final answer
    x = 8,225.58

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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.