Home / 11,750.13-17,621.01-3,427.92

Finding the Fourth Proportional to 11,750.13, 17,621.01 and 3,427.92

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Solution

The fourth proportional to 11,750.13, 17,621.01 and 3,427.92 is: 5,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.13 : 17,621.01 = 3,427.92 : x
  2. Step 2: Convert to fraction form
    11,750.13/17,621.01 = 3,427.92/x
  3. Step 3: Cross multiply
    11,750.13x = 17,621.01 × 3,427.92
  4. Step 4: Simplify right side
    11,750.13x = 60,403,412.60
  5. Step 5: Solve for x
    x = 60,403,412.60/11,750.13
  6. Step 6: Final answer
    x = 5,140.66

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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.