Home / 7,530.81-11,272.50-5,177.04

Finding the Fourth Proportional to 7,530.81, 11,272.50 and 5,177.04

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Solution

The fourth proportional to 7,530.81, 11,272.50 and 5,177.04 is: 7,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.81 : 11,272.50 = 5,177.04 : x
  2. Step 2: Convert to fraction form
    7,530.81/11,272.50 = 5,177.04/x
  3. Step 3: Cross multiply
    7,530.81x = 11,272.50 × 5,177.04
  4. Step 4: Simplify right side
    7,530.81x = 58,358,183.40
  5. Step 5: Solve for x
    x = 58,358,183.40/7,530.81
  6. Step 6: Final answer
    x = 7,749.26

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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.