Home / 11,376.80-15,709.56-8,027.04

Finding the Fourth Proportional to 11,376.80, 15,709.56 and 8,027.04

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Solution

The fourth proportional to 11,376.80, 15,709.56 and 8,027.04 is: 11,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.80 : 15,709.56 = 8,027.04 : x
  2. Step 2: Convert to fraction form
    11,376.80/15,709.56 = 8,027.04/x
  3. Step 3: Cross multiply
    11,376.80x = 15,709.56 × 8,027.04
  4. Step 4: Simplify right side
    11,376.80x = 126,101,266.50
  5. Step 5: Solve for x
    x = 126,101,266.50/11,376.80
  6. Step 6: Final answer
    x = 11,084.07

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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.