Home / 11,964.48-16,516.80-8,207.52

Finding the Fourth Proportional to 11,964.48, 16,516.80 and 8,207.52

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Solution

The fourth proportional to 11,964.48, 16,516.80 and 8,207.52 is: 11,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.48 : 16,516.80 = 8,207.52 : x
  2. Step 2: Convert to fraction form
    11,964.48/16,516.80 = 8,207.52/x
  3. Step 3: Cross multiply
    11,964.48x = 16,516.80 × 8,207.52
  4. Step 4: Simplify right side
    11,964.48x = 135,561,966.34
  5. Step 5: Solve for x
    x = 135,561,966.34/11,964.48
  6. Step 6: Final answer
    x = 11,330.37

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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.