Home / 11,118.87-15,349.59-8,595.27

Finding the Fourth Proportional to 11,118.87, 15,349.59 and 8,595.27

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Solution

The fourth proportional to 11,118.87, 15,349.59 and 8,595.27 is: 11,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.87 : 15,349.59 = 8,595.27 : x
  2. Step 2: Convert to fraction form
    11,118.87/15,349.59 = 8,595.27/x
  3. Step 3: Cross multiply
    11,118.87x = 15,349.59 × 8,595.27
  4. Step 4: Simplify right side
    11,118.87x = 131,933,870.44
  5. Step 5: Solve for x
    x = 131,933,870.44/11,118.87
  6. Step 6: Final answer
    x = 11,865.76

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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.