Home / 11,391.24-17,088.08-4,818.09

Finding the Fourth Proportional to 11,391.24, 17,088.08 and 4,818.09

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Solution

The fourth proportional to 11,391.24, 17,088.08 and 4,818.09 is: 7,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.24 : 17,088.08 = 4,818.09 : x
  2. Step 2: Convert to fraction form
    11,391.24/17,088.08 = 4,818.09/x
  3. Step 3: Cross multiply
    11,391.24x = 17,088.08 × 4,818.09
  4. Step 4: Simplify right side
    11,391.24x = 82,331,883.28
  5. Step 5: Solve for x
    x = 82,331,883.28/11,391.24
  6. Step 6: Final answer
    x = 7,227.65

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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.