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Finding the Fourth Proportional to 7,333.84, 10,987.96 and 6,109.12

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Solution

The fourth proportional to 7,333.84, 10,987.96 and 6,109.12 is: 9,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.84 : 10,987.96 = 6,109.12 : x
  2. Step 2: Convert to fraction form
    7,333.84/10,987.96 = 6,109.12/x
  3. Step 3: Cross multiply
    7,333.84x = 10,987.96 × 6,109.12
  4. Step 4: Simplify right side
    7,333.84x = 67,126,766.20
  5. Step 5: Solve for x
    x = 67,126,766.20/7,333.84
  6. Step 6: Final answer
    x = 9,153.02

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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.