Home / 11,420.24-17,127.29-4,023.74

Finding the Fourth Proportional to 11,420.24, 17,127.29 and 4,023.74

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Solution

The fourth proportional to 11,420.24, 17,127.29 and 4,023.74 is: 6,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.24 : 17,127.29 = 4,023.74 : x
  2. Step 2: Convert to fraction form
    11,420.24/17,127.29 = 4,023.74/x
  3. Step 3: Cross multiply
    11,420.24x = 17,127.29 × 4,023.74
  4. Step 4: Simplify right side
    11,420.24x = 68,915,714.19
  5. Step 5: Solve for x
    x = 68,915,714.19/11,420.24
  6. Step 6: Final answer
    x = 6,034.52

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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.