Home / 11,698.07-16,143.34-6,392.88

Finding the Fourth Proportional to 11,698.07, 16,143.34 and 6,392.88

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Solution

The fourth proportional to 11,698.07, 16,143.34 and 6,392.88 is: 8,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.07 : 16,143.34 = 6,392.88 : x
  2. Step 2: Convert to fraction form
    11,698.07/16,143.34 = 6,392.88/x
  3. Step 3: Cross multiply
    11,698.07x = 16,143.34 × 6,392.88
  4. Step 4: Simplify right side
    11,698.07x = 103,202,459.80
  5. Step 5: Solve for x
    x = 103,202,459.80/11,698.07
  6. Step 6: Final answer
    x = 8,822.18

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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.