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Finding the Fourth Proportional to 7,346.90, 11,004.15 and 6,374.90

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Solution

The fourth proportional to 7,346.90, 11,004.15 and 6,374.90 is: 9,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.90 : 11,004.15 = 6,374.90 : x
  2. Step 2: Convert to fraction form
    7,346.90/11,004.15 = 6,374.90/x
  3. Step 3: Cross multiply
    7,346.90x = 11,004.15 × 6,374.90
  4. Step 4: Simplify right side
    7,346.90x = 70,150,355.84
  5. Step 5: Solve for x
    x = 70,150,355.84/7,346.90
  6. Step 6: Final answer
    x = 9,548.29

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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.