Home / 11,968.84-16,516.80-6,663.52

Finding the Fourth Proportional to 11,968.84, 16,516.80 and 6,663.52

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Solution

The fourth proportional to 11,968.84, 16,516.80 and 6,663.52 is: 9,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.84 : 16,516.80 = 6,663.52 : x
  2. Step 2: Convert to fraction form
    11,968.84/16,516.80 = 6,663.52/x
  3. Step 3: Cross multiply
    11,968.84x = 16,516.80 × 6,663.52
  4. Step 4: Simplify right side
    11,968.84x = 110,060,027.14
  5. Step 5: Solve for x
    x = 110,060,027.14/11,968.84
  6. Step 6: Final answer
    x = 9,195.55

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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.