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Finding the Fourth Proportional to 9,643.95, 13,310.07 and 6,107.49

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Solution

The fourth proportional to 9,643.95, 13,310.07 and 6,107.49 is: 8,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.95 : 13,310.07 = 6,107.49 : x
  2. Step 2: Convert to fraction form
    9,643.95/13,310.07 = 6,107.49/x
  3. Step 3: Cross multiply
    9,643.95x = 13,310.07 × 6,107.49
  4. Step 4: Simplify right side
    9,643.95x = 81,291,119.42
  5. Step 5: Solve for x
    x = 81,291,119.42/9,643.95
  6. Step 6: Final answer
    x = 8,429.23

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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.