Home / 11,234.92-15,515.94-7,045.48

Finding the Fourth Proportional to 11,234.92, 15,515.94 and 7,045.48

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Solution

The fourth proportional to 11,234.92, 15,515.94 and 7,045.48 is: 9,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.92 : 15,515.94 = 7,045.48 : x
  2. Step 2: Convert to fraction form
    11,234.92/15,515.94 = 7,045.48/x
  3. Step 3: Cross multiply
    11,234.92x = 15,515.94 × 7,045.48
  4. Step 4: Simplify right side
    11,234.92x = 109,317,244.95
  5. Step 5: Solve for x
    x = 109,317,244.95/11,234.92
  6. Step 6: Final answer
    x = 9,730.13

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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.