Home / 11,422.52-17,130.12-3,629.51

Finding the Fourth Proportional to 11,422.52, 17,130.12 and 3,629.51

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Solution

The fourth proportional to 11,422.52, 17,130.12 and 3,629.51 is: 5,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.52 : 17,130.12 = 3,629.51 : x
  2. Step 2: Convert to fraction form
    11,422.52/17,130.12 = 3,629.51/x
  3. Step 3: Cross multiply
    11,422.52x = 17,130.12 × 3,629.51
  4. Step 4: Simplify right side
    11,422.52x = 62,173,856.19
  5. Step 5: Solve for x
    x = 62,173,856.19/11,422.52
  6. Step 6: Final answer
    x = 5,443.10

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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.