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Finding the Fourth Proportional to 9,417.96, 12,996.18 and 5,880.96

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Solution

The fourth proportional to 9,417.96, 12,996.18 and 5,880.96 is: 8,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.96 : 12,996.18 = 5,880.96 : x
  2. Step 2: Convert to fraction form
    9,417.96/12,996.18 = 5,880.96/x
  3. Step 3: Cross multiply
    9,417.96x = 12,996.18 × 5,880.96
  4. Step 4: Simplify right side
    9,417.96x = 76,430,014.73
  5. Step 5: Solve for x
    x = 76,430,014.73/9,417.96
  6. Step 6: Final answer
    x = 8,115.35

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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.