Home / 12,081.48-16,672.68-6,703.62

Finding the Fourth Proportional to 12,081.48, 16,672.68 and 6,703.62

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Solution

The fourth proportional to 12,081.48, 16,672.68 and 6,703.62 is: 9,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.48 : 16,672.68 = 6,703.62 : x
  2. Step 2: Convert to fraction form
    12,081.48/16,672.68 = 6,703.62/x
  3. Step 3: Cross multiply
    12,081.48x = 16,672.68 × 6,703.62
  4. Step 4: Simplify right side
    12,081.48x = 111,767,311.10
  5. Step 5: Solve for x
    x = 111,767,311.10/12,081.48
  6. Step 6: Final answer
    x = 9,251.13

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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.