Home / 11,422.23-17,129.03-4,851.51

Finding the Fourth Proportional to 11,422.23, 17,129.03 and 4,851.51

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Solution

The fourth proportional to 11,422.23, 17,129.03 and 4,851.51 is: 7,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.23 : 17,129.03 = 4,851.51 : x
  2. Step 2: Convert to fraction form
    11,422.23/17,129.03 = 4,851.51/x
  3. Step 3: Cross multiply
    11,422.23x = 17,129.03 × 4,851.51
  4. Step 4: Simplify right side
    11,422.23x = 83,101,636.08
  5. Step 5: Solve for x
    x = 83,101,636.08/11,422.23
  6. Step 6: Final answer
    x = 7,275.43

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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.