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Finding the Fourth Proportional to 9,395.08, 12,965.18 and 5,416.17

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Solution

The fourth proportional to 9,395.08, 12,965.18 and 5,416.17 is: 7,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,395.08 : 12,965.18 = 5,416.17 : x
  2. Step 2: Convert to fraction form
    9,395.08/12,965.18 = 5,416.17/x
  3. Step 3: Cross multiply
    9,395.08x = 12,965.18 × 5,416.17
  4. Step 4: Simplify right side
    9,395.08x = 70,221,618.96
  5. Step 5: Solve for x
    x = 70,221,618.96/9,395.08
  6. Step 6: Final answer
    x = 7,474.30

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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.