Home / 7,914.15-11,875.36-5,740.82

Finding the Fourth Proportional to 7,914.15, 11,875.36 and 5,740.82

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Solution

The fourth proportional to 7,914.15, 11,875.36 and 5,740.82 is: 8,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.15 : 11,875.36 = 5,740.82 : x
  2. Step 2: Convert to fraction form
    7,914.15/11,875.36 = 5,740.82/x
  3. Step 3: Cross multiply
    7,914.15x = 11,875.36 × 5,740.82
  4. Step 4: Simplify right side
    7,914.15x = 68,174,304.20
  5. Step 5: Solve for x
    x = 68,174,304.20/7,914.15
  6. Step 6: Final answer
    x = 8,614.23

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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.