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Finding the Fourth Proportional to 9,168.90, 13,760.27 and 6,356.15

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Solution

The fourth proportional to 9,168.90, 13,760.27 and 6,356.15 is: 9,539.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.90 : 13,760.27 = 6,356.15 : x
  2. Step 2: Convert to fraction form
    9,168.90/13,760.27 = 6,356.15/x
  3. Step 3: Cross multiply
    9,168.90x = 13,760.27 × 6,356.15
  4. Step 4: Simplify right side
    9,168.90x = 87,462,315.01
  5. Step 5: Solve for x
    x = 87,462,315.01/9,168.90
  6. Step 6: Final answer
    x = 9,539.02

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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.