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Finding the Fourth Proportional to 11,394.90, 17,094.15 and 4,374.63

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Solution

The fourth proportional to 11,394.90, 17,094.15 and 4,374.63 is: 6,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.90 : 17,094.15 = 4,374.63 : x
  2. Step 2: Convert to fraction form
    11,394.90/17,094.15 = 4,374.63/x
  3. Step 3: Cross multiply
    11,394.90x = 17,094.15 × 4,374.63
  4. Step 4: Simplify right side
    11,394.90x = 74,780,581.41
  5. Step 5: Solve for x
    x = 74,780,581.41/11,394.90
  6. Step 6: Final answer
    x = 6,562.64

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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.