Home / 11,372.50-17,055.46-3,875.89

Finding the Fourth Proportional to 11,372.50, 17,055.46 and 3,875.89

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Solution

The fourth proportional to 11,372.50, 17,055.46 and 3,875.89 is: 5,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.50 : 17,055.46 = 3,875.89 : x
  2. Step 2: Convert to fraction form
    11,372.50/17,055.46 = 3,875.89/x
  3. Step 3: Cross multiply
    11,372.50x = 17,055.46 × 3,875.89
  4. Step 4: Simplify right side
    11,372.50x = 66,105,113.02
  5. Step 5: Solve for x
    x = 66,105,113.02/11,372.50
  6. Step 6: Final answer
    x = 5,812.72

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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.