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Finding the Fourth Proportional to 7,659.39, 11,541.22 and 6,303.15

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Solution

The fourth proportional to 7,659.39, 11,541.22 and 6,303.15 is: 9,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.39 : 11,541.22 = 6,303.15 : x
  2. Step 2: Convert to fraction form
    7,659.39/11,541.22 = 6,303.15/x
  3. Step 3: Cross multiply
    7,659.39x = 11,541.22 × 6,303.15
  4. Step 4: Simplify right side
    7,659.39x = 72,746,025.09
  5. Step 5: Solve for x
    x = 72,746,025.09/7,659.39
  6. Step 6: Final answer
    x = 9,497.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.