Home / 12,201.14-16,837.42-7,164.50

Finding the Fourth Proportional to 12,201.14, 16,837.42 and 7,164.50

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Solution

The fourth proportional to 12,201.14, 16,837.42 and 7,164.50 is: 9,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.14 : 16,837.42 = 7,164.50 : x
  2. Step 2: Convert to fraction form
    12,201.14/16,837.42 = 7,164.50/x
  3. Step 3: Cross multiply
    12,201.14x = 16,837.42 × 7,164.50
  4. Step 4: Simplify right side
    12,201.14x = 120,631,695.59
  5. Step 5: Solve for x
    x = 120,631,695.59/12,201.14
  6. Step 6: Final answer
    x = 9,886.92

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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.