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Finding the Fourth Proportional to 9,470.88, 13,067.19 and 6,113.84

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Solution

The fourth proportional to 9,470.88, 13,067.19 and 6,113.84 is: 8,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,470.88 : 13,067.19 = 6,113.84 : x
  2. Step 2: Convert to fraction form
    9,470.88/13,067.19 = 6,113.84/x
  3. Step 3: Cross multiply
    9,470.88x = 13,067.19 × 6,113.84
  4. Step 4: Simplify right side
    9,470.88x = 79,890,643.57
  5. Step 5: Solve for x
    x = 79,890,643.57/9,470.88
  6. Step 6: Final answer
    x = 8,435.40

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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.