Home / 11,259.24-15,537.96-6,480.24

Finding the Fourth Proportional to 11,259.24, 15,537.96 and 6,480.24

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Solution

The fourth proportional to 11,259.24, 15,537.96 and 6,480.24 is: 8,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.24 : 15,537.96 = 6,480.24 : x
  2. Step 2: Convert to fraction form
    11,259.24/15,537.96 = 6,480.24/x
  3. Step 3: Cross multiply
    11,259.24x = 15,537.96 × 6,480.24
  4. Step 4: Simplify right side
    11,259.24x = 100,689,709.91
  5. Step 5: Solve for x
    x = 100,689,709.91/11,259.24
  6. Step 6: Final answer
    x = 8,942.85

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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.