Home / 11,701.15-16,147.51-6,665.58

Finding the Fourth Proportional to 11,701.15, 16,147.51 and 6,665.58

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Solution

The fourth proportional to 11,701.15, 16,147.51 and 6,665.58 is: 9,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.15 : 16,147.51 = 6,665.58 : x
  2. Step 2: Convert to fraction form
    11,701.15/16,147.51 = 6,665.58/x
  3. Step 3: Cross multiply
    11,701.15x = 16,147.51 × 6,665.58
  4. Step 4: Simplify right side
    11,701.15x = 107,632,519.71
  5. Step 5: Solve for x
    x = 107,632,519.71/11,701.15
  6. Step 6: Final answer
    x = 9,198.46

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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.