Home / 8,904.70-13,358.49-3,974.23

Finding the Fourth Proportional to 8,904.70, 13,358.49 and 3,974.23

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Solution

The fourth proportional to 8,904.70, 13,358.49 and 3,974.23 is: 5,961.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.70 : 13,358.49 = 3,974.23 : x
  2. Step 2: Convert to fraction form
    8,904.70/13,358.49 = 3,974.23/x
  3. Step 3: Cross multiply
    8,904.70x = 13,358.49 × 3,974.23
  4. Step 4: Simplify right side
    8,904.70x = 53,089,711.71
  5. Step 5: Solve for x
    x = 53,089,711.71/8,904.70
  6. Step 6: Final answer
    x = 5,961.99

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Double scale
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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.