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Finding the Fourth Proportional to 8,394.10, 11,580.84 and 4,808.11

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Solution

The fourth proportional to 8,394.10, 11,580.84 and 4,808.11 is: 6,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.10 : 11,580.84 = 4,808.11 : x
  2. Step 2: Convert to fraction form
    8,394.10/11,580.84 = 4,808.11/x
  3. Step 3: Cross multiply
    8,394.10x = 11,580.84 × 4,808.11
  4. Step 4: Simplify right side
    8,394.10x = 55,681,945.37
  5. Step 5: Solve for x
    x = 55,681,945.37/8,394.10
  6. Step 6: Final answer
    x = 6,633.46

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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.