Home / 12,190.18-16,822.33-6,884.88

Finding the Fourth Proportional to 12,190.18, 16,822.33 and 6,884.88

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Solution

The fourth proportional to 12,190.18, 16,822.33 and 6,884.88 is: 9,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.18 : 16,822.33 = 6,884.88 : x
  2. Step 2: Convert to fraction form
    12,190.18/16,822.33 = 6,884.88/x
  3. Step 3: Cross multiply
    12,190.18x = 16,822.33 × 6,884.88
  4. Step 4: Simplify right side
    12,190.18x = 115,819,706.16
  5. Step 5: Solve for x
    x = 115,819,706.16/12,190.18
  6. Step 6: Final answer
    x = 9,501.07

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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.