Home / 12,441.50-17,175.85-9,602.75

Finding the Fourth Proportional to 12,441.50, 17,175.85 and 9,602.75

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Solution

The fourth proportional to 12,441.50, 17,175.85 and 9,602.75 is: 13,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.50 : 17,175.85 = 9,602.75 : x
  2. Step 2: Convert to fraction form
    12,441.50/17,175.85 = 9,602.75/x
  3. Step 3: Cross multiply
    12,441.50x = 17,175.85 × 9,602.75
  4. Step 4: Simplify right side
    12,441.50x = 164,935,412.52
  5. Step 5: Solve for x
    x = 164,935,412.52/12,441.50
  6. Step 6: Final answer
    x = 13,256.88

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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.