Home / 8,240.24-11,371.42-4,703.51

Finding the Fourth Proportional to 8,240.24, 11,371.42 and 4,703.51

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Solution

The fourth proportional to 8,240.24, 11,371.42 and 4,703.51 is: 6,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.24 : 11,371.42 = 4,703.51 : x
  2. Step 2: Convert to fraction form
    8,240.24/11,371.42 = 4,703.51/x
  3. Step 3: Cross multiply
    8,240.24x = 11,371.42 × 4,703.51
  4. Step 4: Simplify right side
    8,240.24x = 53,485,587.68
  5. Step 5: Solve for x
    x = 53,485,587.68/8,240.24
  6. Step 6: Final answer
    x = 6,490.78

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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.