Home / 8,065.16-11,134.54-5,375.66

Finding the Fourth Proportional to 8,065.16, 11,134.54 and 5,375.66

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Solution

The fourth proportional to 8,065.16, 11,134.54 and 5,375.66 is: 7,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.16 : 11,134.54 = 5,375.66 : x
  2. Step 2: Convert to fraction form
    8,065.16/11,134.54 = 5,375.66/x
  3. Step 3: Cross multiply
    8,065.16x = 11,134.54 × 5,375.66
  4. Step 4: Simplify right side
    8,065.16x = 59,855,432.18
  5. Step 5: Solve for x
    x = 59,855,432.18/8,065.16
  6. Step 6: Final answer
    x = 7,421.49

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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.