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Finding the Fourth Proportional to 6,918.84, 10,370.42 and 6,084.29

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Solution

The fourth proportional to 6,918.84, 10,370.42 and 6,084.29 is: 9,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.84 : 10,370.42 = 6,084.29 : x
  2. Step 2: Convert to fraction form
    6,918.84/10,370.42 = 6,084.29/x
  3. Step 3: Cross multiply
    6,918.84x = 10,370.42 × 6,084.29
  4. Step 4: Simplify right side
    6,918.84x = 63,096,638.21
  5. Step 5: Solve for x
    x = 63,096,638.21/6,918.84
  6. Step 6: Final answer
    x = 9,119.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.