Home / 12,272.18-16,935.09-6,967.40

Finding the Fourth Proportional to 12,272.18, 16,935.09 and 6,967.40

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Solution

The fourth proportional to 12,272.18, 16,935.09 and 6,967.40 is: 9,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.18 : 16,935.09 = 6,967.40 : x
  2. Step 2: Convert to fraction form
    12,272.18/16,935.09 = 6,967.40/x
  3. Step 3: Cross multiply
    12,272.18x = 16,935.09 × 6,967.40
  4. Step 4: Simplify right side
    12,272.18x = 117,993,546.07
  5. Step 5: Solve for x
    x = 117,993,546.07/12,272.18
  6. Step 6: Final answer
    x = 9,614.72

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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.