Home / 12,367.40-17,066.98-6,702.14

Finding the Fourth Proportional to 12,367.40, 17,066.98 and 6,702.14

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Solution

The fourth proportional to 12,367.40, 17,066.98 and 6,702.14 is: 9,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.40 : 17,066.98 = 6,702.14 : x
  2. Step 2: Convert to fraction form
    12,367.40/17,066.98 = 6,702.14/x
  3. Step 3: Cross multiply
    12,367.40x = 17,066.98 × 6,702.14
  4. Step 4: Simplify right side
    12,367.40x = 114,385,315.25
  5. Step 5: Solve for x
    x = 114,385,315.25/12,367.40
  6. Step 6: Final answer
    x = 9,248.94

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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.