Home / 12,331.08-17,017.14-6,742.44

Finding the Fourth Proportional to 12,331.08, 17,017.14 and 6,742.44

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Solution

The fourth proportional to 12,331.08, 17,017.14 and 6,742.44 is: 9,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.08 : 17,017.14 = 6,742.44 : x
  2. Step 2: Convert to fraction form
    12,331.08/17,017.14 = 6,742.44/x
  3. Step 3: Cross multiply
    12,331.08x = 17,017.14 × 6,742.44
  4. Step 4: Simplify right side
    12,331.08x = 114,737,045.42
  5. Step 5: Solve for x
    x = 114,737,045.42/12,331.08
  6. Step 6: Final answer
    x = 9,304.70

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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.