Home / 12,170.04-16,793.40-8,985.03

Finding the Fourth Proportional to 12,170.04, 16,793.40 and 8,985.03

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Solution

The fourth proportional to 12,170.04, 16,793.40 and 8,985.03 is: 12,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.04 : 16,793.40 = 8,985.03 : x
  2. Step 2: Convert to fraction form
    12,170.04/16,793.40 = 8,985.03/x
  3. Step 3: Cross multiply
    12,170.04x = 16,793.40 × 8,985.03
  4. Step 4: Simplify right side
    12,170.04x = 150,889,202.80
  5. Step 5: Solve for x
    x = 150,889,202.80/12,170.04
  6. Step 6: Final answer
    x = 12,398.41

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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.