Home / 11,720.02-17,582.39-4,324.52

Finding the Fourth Proportional to 11,720.02, 17,582.39 and 4,324.52

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Solution

The fourth proportional to 11,720.02, 17,582.39 and 4,324.52 is: 6,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.02 : 17,582.39 = 4,324.52 : x
  2. Step 2: Convert to fraction form
    11,720.02/17,582.39 = 4,324.52/x
  3. Step 3: Cross multiply
    11,720.02x = 17,582.39 × 4,324.52
  4. Step 4: Simplify right side
    11,720.02x = 76,035,397.20
  5. Step 5: Solve for x
    x = 76,035,397.20/11,720.02
  6. Step 6: Final answer
    x = 6,487.65

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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.