Home / 8,469.24-11,695.23-5,490.06

Finding the Fourth Proportional to 8,469.24, 11,695.23 and 5,490.06

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Solution

The fourth proportional to 8,469.24, 11,695.23 and 5,490.06 is: 7,581.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.24 : 11,695.23 = 5,490.06 : x
  2. Step 2: Convert to fraction form
    8,469.24/11,695.23 = 5,490.06/x
  3. Step 3: Cross multiply
    8,469.24x = 11,695.23 × 5,490.06
  4. Step 4: Simplify right side
    8,469.24x = 64,207,514.41
  5. Step 5: Solve for x
    x = 64,207,514.41/8,469.24
  6. Step 6: Final answer
    x = 7,581.26

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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.