Home / 10,961.08-16,456.16-7,415.12

Finding the Fourth Proportional to 10,961.08, 16,456.16 and 7,415.12

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Solution

The fourth proportional to 10,961.08, 16,456.16 and 7,415.12 is: 11,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.08 : 16,456.16 = 7,415.12 : x
  2. Step 2: Convert to fraction form
    10,961.08/16,456.16 = 7,415.12/x
  3. Step 3: Cross multiply
    10,961.08x = 16,456.16 × 7,415.12
  4. Step 4: Simplify right side
    10,961.08x = 122,024,401.14
  5. Step 5: Solve for x
    x = 122,024,401.14/10,961.08
  6. Step 6: Final answer
    x = 11,132.52

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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.