Home / 11,701.17-16,146.81-6,665.22

Finding the Fourth Proportional to 11,701.17, 16,146.81 and 6,665.22

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Solution

The fourth proportional to 11,701.17, 16,146.81 and 6,665.22 is: 9,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.17 : 16,146.81 = 6,665.22 : x
  2. Step 2: Convert to fraction form
    11,701.17/16,146.81 = 6,665.22/x
  3. Step 3: Cross multiply
    11,701.17x = 16,146.81 × 6,665.22
  4. Step 4: Simplify right side
    11,701.17x = 107,622,040.95
  5. Step 5: Solve for x
    x = 107,622,040.95/11,701.17
  6. Step 6: Final answer
    x = 9,197.55

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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.