Home / 12,362.12-17,043.21-10,229.80

Finding the Fourth Proportional to 12,362.12, 17,043.21 and 10,229.80

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Solution

The fourth proportional to 12,362.12, 17,043.21 and 10,229.80 is: 14,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.12 : 17,043.21 = 10,229.80 : x
  2. Step 2: Convert to fraction form
    12,362.12/17,043.21 = 10,229.80/x
  3. Step 3: Cross multiply
    12,362.12x = 17,043.21 × 10,229.80
  4. Step 4: Simplify right side
    12,362.12x = 174,348,587.05
  5. Step 5: Solve for x
    x = 174,348,587.05/12,362.12
  6. Step 6: Final answer
    x = 14,103.45

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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.