Home / 9,144.54-13,708.58-3,299.78

Finding the Fourth Proportional to 9,144.54, 13,708.58 and 3,299.78

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Solution

The fourth proportional to 9,144.54, 13,708.58 and 3,299.78 is: 4,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.54 : 13,708.58 = 3,299.78 : x
  2. Step 2: Convert to fraction form
    9,144.54/13,708.58 = 3,299.78/x
  3. Step 3: Cross multiply
    9,144.54x = 13,708.58 × 3,299.78
  4. Step 4: Simplify right side
    9,144.54x = 45,235,298.11
  5. Step 5: Solve for x
    x = 45,235,298.11/9,144.54
  6. Step 6: Final answer
    x = 4,946.70

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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.