Home / 12,056.67-18,084.81-3,291.56

Finding the Fourth Proportional to 12,056.67, 18,084.81 and 3,291.56

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Solution

The fourth proportional to 12,056.67, 18,084.81 and 3,291.56 is: 4,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.67 : 18,084.81 = 3,291.56 : x
  2. Step 2: Convert to fraction form
    12,056.67/18,084.81 = 3,291.56/x
  3. Step 3: Cross multiply
    12,056.67x = 18,084.81 × 3,291.56
  4. Step 4: Simplify right side
    12,056.67x = 59,527,159.12
  5. Step 5: Solve for x
    x = 59,527,159.12/12,056.67
  6. Step 6: Final answer
    x = 4,937.28

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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.