Home / 11,472.86-17,215.55-4,453.15

Finding the Fourth Proportional to 11,472.86, 17,215.55 and 4,453.15

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Solution

The fourth proportional to 11,472.86, 17,215.55 and 4,453.15 is: 6,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.86 : 17,215.55 = 4,453.15 : x
  2. Step 2: Convert to fraction form
    11,472.86/17,215.55 = 4,453.15/x
  3. Step 3: Cross multiply
    11,472.86x = 17,215.55 × 4,453.15
  4. Step 4: Simplify right side
    11,472.86x = 76,663,340.40
  5. Step 5: Solve for x
    x = 76,663,340.40/11,472.86
  6. Step 6: Final answer
    x = 6,682.15

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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.