Home / 12,073.50-18,111.07-4,176.79

Finding the Fourth Proportional to 12,073.50, 18,111.07 and 4,176.79

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Solution

The fourth proportional to 12,073.50, 18,111.07 and 4,176.79 is: 6,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.50 : 18,111.07 = 4,176.79 : x
  2. Step 2: Convert to fraction form
    12,073.50/18,111.07 = 4,176.79/x
  3. Step 3: Cross multiply
    12,073.50x = 18,111.07 × 4,176.79
  4. Step 4: Simplify right side
    12,073.50x = 75,646,136.07
  5. Step 5: Solve for x
    x = 75,646,136.07/12,073.50
  6. Step 6: Final answer
    x = 6,265.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.