Home / 12,524.88-17,307.36-8,982.48

Finding the Fourth Proportional to 12,524.88, 17,307.36 and 8,982.48

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Solution

The fourth proportional to 12,524.88, 17,307.36 and 8,982.48 is: 12,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.88 : 17,307.36 = 8,982.48 : x
  2. Step 2: Convert to fraction form
    12,524.88/17,307.36 = 8,982.48/x
  3. Step 3: Cross multiply
    12,524.88x = 17,307.36 × 8,982.48
  4. Step 4: Simplify right side
    12,524.88x = 155,463,015.05
  5. Step 5: Solve for x
    x = 155,463,015.05/12,524.88
  6. Step 6: Final answer
    x = 12,412.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.