Home / 11,254.92-16,886.43-7,081.80

Finding the Fourth Proportional to 11,254.92, 16,886.43 and 7,081.80

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Solution

The fourth proportional to 11,254.92, 16,886.43 and 7,081.80 is: 10,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.92 : 16,886.43 = 7,081.80 : x
  2. Step 2: Convert to fraction form
    11,254.92/16,886.43 = 7,081.80/x
  3. Step 3: Cross multiply
    11,254.92x = 16,886.43 × 7,081.80
  4. Step 4: Simplify right side
    11,254.92x = 119,586,319.97
  5. Step 5: Solve for x
    x = 119,586,319.97/11,254.92
  6. Step 6: Final answer
    x = 10,625.25

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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.