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Finding the Fourth Proportional to 6,894.84, 9,514.97 and 5,167.08

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Solution

The fourth proportional to 6,894.84, 9,514.97 and 5,167.08 is: 7,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.84 : 9,514.97 = 5,167.08 : x
  2. Step 2: Convert to fraction form
    6,894.84/9,514.97 = 5,167.08/x
  3. Step 3: Cross multiply
    6,894.84x = 9,514.97 × 5,167.08
  4. Step 4: Simplify right side
    6,894.84x = 49,164,611.19
  5. Step 5: Solve for x
    x = 49,164,611.19/6,894.84
  6. Step 6: Final answer
    x = 7,130.64

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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.