Home / 12,049.18-16,637.43-8,019.88

Finding the Fourth Proportional to 12,049.18, 16,637.43 and 8,019.88

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Solution

The fourth proportional to 12,049.18, 16,637.43 and 8,019.88 is: 11,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.18 : 16,637.43 = 8,019.88 : x
  2. Step 2: Convert to fraction form
    12,049.18/16,637.43 = 8,019.88/x
  3. Step 3: Cross multiply
    12,049.18x = 16,637.43 × 8,019.88
  4. Step 4: Simplify right side
    12,049.18x = 133,430,192.11
  5. Step 5: Solve for x
    x = 133,430,192.11/12,049.18
  6. Step 6: Final answer
    x = 11,073.80

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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.