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Finding the Fourth Proportional to 11,516.71, 17,275.07 and 6,355.39

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Solution

The fourth proportional to 11,516.71, 17,275.07 and 6,355.39 is: 9,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.71 : 17,275.07 = 6,355.39 : x
  2. Step 2: Convert to fraction form
    11,516.71/17,275.07 = 6,355.39/x
  3. Step 3: Cross multiply
    11,516.71x = 17,275.07 × 6,355.39
  4. Step 4: Simplify right side
    11,516.71x = 109,789,807.13
  5. Step 5: Solve for x
    x = 109,789,807.13/11,516.71
  6. Step 6: Final answer
    x = 9,533.09

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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.