Home / 12,190.04-16,822.18-6,601

Finding the Fourth Proportional to 12,190.04, 16,822.18 and 6,601

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Solution

The fourth proportional to 12,190.04, 16,822.18 and 6,601 is: 9,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.04 : 16,822.18 = 6,601 : x
  2. Step 2: Convert to fraction form
    12,190.04/16,822.18 = 6,601/x
  3. Step 3: Cross multiply
    12,190.04x = 16,822.18 × 6,601
  4. Step 4: Simplify right side
    12,190.04x = 111,043,210.18
  5. Step 5: Solve for x
    x = 111,043,210.18/12,190.04
  6. Step 6: Final answer
    x = 9,109.34

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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.