Home / 12,001.27-16,567.05-7,754.39

Finding the Fourth Proportional to 12,001.27, 16,567.05 and 7,754.39

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Solution

The fourth proportional to 12,001.27, 16,567.05 and 7,754.39 is: 10,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.27 : 16,567.05 = 7,754.39 : x
  2. Step 2: Convert to fraction form
    12,001.27/16,567.05 = 7,754.39/x
  3. Step 3: Cross multiply
    12,001.27x = 16,567.05 × 7,754.39
  4. Step 4: Simplify right side
    12,001.27x = 128,467,366.85
  5. Step 5: Solve for x
    x = 128,467,366.85/12,001.27
  6. Step 6: Final answer
    x = 10,704.48

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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.