Home / 12,013.06-18,022.08-4,116.17

Finding the Fourth Proportional to 12,013.06, 18,022.08 and 4,116.17

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Solution

The fourth proportional to 12,013.06, 18,022.08 and 4,116.17 is: 6,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.06 : 18,022.08 = 4,116.17 : x
  2. Step 2: Convert to fraction form
    12,013.06/18,022.08 = 4,116.17/x
  3. Step 3: Cross multiply
    12,013.06x = 18,022.08 × 4,116.17
  4. Step 4: Simplify right side
    12,013.06x = 74,181,945.03
  5. Step 5: Solve for x
    x = 74,181,945.03/12,013.06
  6. Step 6: Final answer
    x = 6,175.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.