Home / 10,930.75-15,084.45-5,962.75

Finding the Fourth Proportional to 10,930.75, 15,084.45 and 5,962.75

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Solution

The fourth proportional to 10,930.75, 15,084.45 and 5,962.75 is: 8,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.75 : 15,084.45 = 5,962.75 : x
  2. Step 2: Convert to fraction form
    10,930.75/15,084.45 = 5,962.75/x
  3. Step 3: Cross multiply
    10,930.75x = 15,084.45 × 5,962.75
  4. Step 4: Simplify right side
    10,930.75x = 89,944,804.24
  5. Step 5: Solve for x
    x = 89,944,804.24/10,930.75
  6. Step 6: Final answer
    x = 8,228.60

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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.