Home / 8,117.81-11,202.49-4,581.03

Finding the Fourth Proportional to 8,117.81, 11,202.49 and 4,581.03

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Solution

The fourth proportional to 8,117.81, 11,202.49 and 4,581.03 is: 6,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.81 : 11,202.49 = 4,581.03 : x
  2. Step 2: Convert to fraction form
    8,117.81/11,202.49 = 4,581.03/x
  3. Step 3: Cross multiply
    8,117.81x = 11,202.49 × 4,581.03
  4. Step 4: Simplify right side
    8,117.81x = 51,318,942.76
  5. Step 5: Solve for x
    x = 51,318,942.76/8,117.81
  6. Step 6: Final answer
    x = 6,321.77

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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.