Home / 12,144.92-16,759.04-7,108.43

Finding the Fourth Proportional to 12,144.92, 16,759.04 and 7,108.43

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Solution

The fourth proportional to 12,144.92, 16,759.04 and 7,108.43 is: 9,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144.92 : 16,759.04 = 7,108.43 : x
  2. Step 2: Convert to fraction form
    12,144.92/16,759.04 = 7,108.43/x
  3. Step 3: Cross multiply
    12,144.92x = 16,759.04 × 7,108.43
  4. Step 4: Simplify right side
    12,144.92x = 119,130,343.37
  5. Step 5: Solve for x
    x = 119,130,343.37/12,144.92
  6. Step 6: Final answer
    x = 9,809.07

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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.