Home / 12,272.31-16,935.28-6,967.42

Finding the Fourth Proportional to 12,272.31, 16,935.28 and 6,967.42

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Solution

The fourth proportional to 12,272.31, 16,935.28 and 6,967.42 is: 9,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.31 : 16,935.28 = 6,967.42 : x
  2. Step 2: Convert to fraction form
    12,272.31/16,935.28 = 6,967.42/x
  3. Step 3: Cross multiply
    12,272.31x = 16,935.28 × 6,967.42
  4. Step 4: Simplify right side
    12,272.31x = 117,995,148.82
  5. Step 5: Solve for x
    x = 117,995,148.82/12,272.31
  6. Step 6: Final answer
    x = 9,614.75

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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.