Home / 10,321.11-15,476.93-3,299.76

Finding the Fourth Proportional to 10,321.11, 15,476.93 and 3,299.76

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Solution

The fourth proportional to 10,321.11, 15,476.93 and 3,299.76 is: 4,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.11 : 15,476.93 = 3,299.76 : x
  2. Step 2: Convert to fraction form
    10,321.11/15,476.93 = 3,299.76/x
  3. Step 3: Cross multiply
    10,321.11x = 15,476.93 × 3,299.76
  4. Step 4: Simplify right side
    10,321.11x = 51,070,154.54
  5. Step 5: Solve for x
    x = 51,070,154.54/10,321.11
  6. Step 6: Final answer
    x = 4,948.13

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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.