Home / 11,703.24-16,150.80-6,398.28

Finding the Fourth Proportional to 11,703.24, 16,150.80 and 6,398.28

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Solution

The fourth proportional to 11,703.24, 16,150.80 and 6,398.28 is: 8,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.24 : 16,150.80 = 6,398.28 : x
  2. Step 2: Convert to fraction form
    11,703.24/16,150.80 = 6,398.28/x
  3. Step 3: Cross multiply
    11,703.24x = 16,150.80 × 6,398.28
  4. Step 4: Simplify right side
    11,703.24x = 103,337,340.62
  5. Step 5: Solve for x
    x = 103,337,340.62/11,703.24
  6. Step 6: Final answer
    x = 8,829.81

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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.