Home / 12,177.12-16,751.75-9,934.08

Finding the Fourth Proportional to 12,177.12, 16,751.75 and 9,934.08

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Solution

The fourth proportional to 12,177.12, 16,751.75 and 9,934.08 is: 13,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.12 : 16,751.75 = 9,934.08 : x
  2. Step 2: Convert to fraction form
    12,177.12/16,751.75 = 9,934.08/x
  3. Step 3: Cross multiply
    12,177.12x = 16,751.75 × 9,934.08
  4. Step 4: Simplify right side
    12,177.12x = 166,413,224.64
  5. Step 5: Solve for x
    x = 166,413,224.64/12,177.12
  6. Step 6: Final answer
    x = 13,666.06

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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.