Home / 13,008.38-19,512.48-5,217.08

Finding the Fourth Proportional to 13,008.38, 19,512.48 and 5,217.08

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Solution

The fourth proportional to 13,008.38, 19,512.48 and 5,217.08 is: 7,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.38 : 19,512.48 = 5,217.08 : x
  2. Step 2: Convert to fraction form
    13,008.38/19,512.48 = 5,217.08/x
  3. Step 3: Cross multiply
    13,008.38x = 19,512.48 × 5,217.08
  4. Step 4: Simplify right side
    13,008.38x = 101,798,169.16
  5. Step 5: Solve for x
    x = 101,798,169.16/13,008.38
  6. Step 6: Final answer
    x = 7,825.58

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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.