Home / 7,311.96-10,961.46-5,588.28

Finding the Fourth Proportional to 7,311.96, 10,961.46 and 5,588.28

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Solution

The fourth proportional to 7,311.96, 10,961.46 and 5,588.28 is: 8,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.96 : 10,961.46 = 5,588.28 : x
  2. Step 2: Convert to fraction form
    7,311.96/10,961.46 = 5,588.28/x
  3. Step 3: Cross multiply
    7,311.96x = 10,961.46 × 5,588.28
  4. Step 4: Simplify right side
    7,311.96x = 61,255,707.69
  5. Step 5: Solve for x
    x = 61,255,707.69/7,311.96
  6. Step 6: Final answer
    x = 8,377.47

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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.