Home / 7,555.38-11,330.16-2,872.93

Finding the Fourth Proportional to 7,555.38, 11,330.16 and 2,872.93

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Solution

The fourth proportional to 7,555.38, 11,330.16 and 2,872.93 is: 4,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.38 : 11,330.16 = 2,872.93 : x
  2. Step 2: Convert to fraction form
    7,555.38/11,330.16 = 2,872.93/x
  3. Step 3: Cross multiply
    7,555.38x = 11,330.16 × 2,872.93
  4. Step 4: Simplify right side
    7,555.38x = 32,550,756.57
  5. Step 5: Solve for x
    x = 32,550,756.57/7,555.38
  6. Step 6: Final answer
    x = 4,308.29

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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.