Home / 11,698.24-16,143.60-6,393.12

Finding the Fourth Proportional to 11,698.24, 16,143.60 and 6,393.12

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Solution

The fourth proportional to 11,698.24, 16,143.60 and 6,393.12 is: 8,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.24 : 16,143.60 = 6,393.12 : x
  2. Step 2: Convert to fraction form
    11,698.24/16,143.60 = 6,393.12/x
  3. Step 3: Cross multiply
    11,698.24x = 16,143.60 × 6,393.12
  4. Step 4: Simplify right side
    11,698.24x = 103,207,972.03
  5. Step 5: Solve for x
    x = 103,207,972.03/11,698.24
  6. Step 6: Final answer
    x = 8,822.52

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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.