Home / 10,896.22-15,035.55-6,115.52

Finding the Fourth Proportional to 10,896.22, 15,035.55 and 6,115.52

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Solution

The fourth proportional to 10,896.22, 15,035.55 and 6,115.52 is: 8,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.22 : 15,035.55 = 6,115.52 : x
  2. Step 2: Convert to fraction form
    10,896.22/15,035.55 = 6,115.52/x
  3. Step 3: Cross multiply
    10,896.22x = 15,035.55 × 6,115.52
  4. Step 4: Simplify right side
    10,896.22x = 91,950,191.45
  5. Step 5: Solve for x
    x = 91,950,191.45/10,896.22
  6. Step 6: Final answer
    x = 8,438.72

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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.