Home / 11,821.02-17,720.19-5,246.52

Finding the Fourth Proportional to 11,821.02, 17,720.19 and 5,246.52

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Solution

The fourth proportional to 11,821.02, 17,720.19 and 5,246.52 is: 7,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.02 : 17,720.19 = 5,246.52 : x
  2. Step 2: Convert to fraction form
    11,821.02/17,720.19 = 5,246.52/x
  3. Step 3: Cross multiply
    11,821.02x = 17,720.19 × 5,246.52
  4. Step 4: Simplify right side
    11,821.02x = 92,969,331.24
  5. Step 5: Solve for x
    x = 92,969,331.24/11,821.02
  6. Step 6: Final answer
    x = 7,864.75

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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.