Home / 12,330.89-17,016.37-6,741.89

Finding the Fourth Proportional to 12,330.89, 17,016.37 and 6,741.89

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Solution

The fourth proportional to 12,330.89, 17,016.37 and 6,741.89 is: 9,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.89 : 17,016.37 = 6,741.89 : x
  2. Step 2: Convert to fraction form
    12,330.89/17,016.37 = 6,741.89/x
  3. Step 3: Cross multiply
    12,330.89x = 17,016.37 × 6,741.89
  4. Step 4: Simplify right side
    12,330.89x = 114,722,375.95
  5. Step 5: Solve for x
    x = 114,722,375.95/12,330.89
  6. Step 6: Final answer
    x = 9,303.66

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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.