Home / 11,420.06-17,130.17-4,022.82

Finding the Fourth Proportional to 11,420.06, 17,130.17 and 4,022.82

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Solution

The fourth proportional to 11,420.06, 17,130.17 and 4,022.82 is: 6,034.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.06 : 17,130.17 = 4,022.82 : x
  2. Step 2: Convert to fraction form
    11,420.06/17,130.17 = 4,022.82/x
  3. Step 3: Cross multiply
    11,420.06x = 17,130.17 × 4,022.82
  4. Step 4: Simplify right side
    11,420.06x = 68,911,600.54
  5. Step 5: Solve for x
    x = 68,911,600.54/11,420.06
  6. Step 6: Final answer
    x = 6,034.26

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1.5x scale

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.