Home / 10,318.55-15,477.83-3,299.13

Finding the Fourth Proportional to 10,318.55, 15,477.83 and 3,299.13

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Solution

The fourth proportional to 10,318.55, 15,477.83 and 3,299.13 is: 4,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.55 : 15,477.83 = 3,299.13 : x
  2. Step 2: Convert to fraction form
    10,318.55/15,477.83 = 3,299.13/x
  3. Step 3: Cross multiply
    10,318.55x = 15,477.83 × 3,299.13
  4. Step 4: Simplify right side
    10,318.55x = 51,063,323.49
  5. Step 5: Solve for x
    x = 51,063,323.49/10,318.55
  6. Step 6: Final answer
    x = 4,948.69

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Similar ratio
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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.