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Finding the Fourth Proportional to 11,336.60, 17,004.90 and 10,105.40

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Solution

The fourth proportional to 11,336.60, 17,004.90 and 10,105.40 is: 15,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.60 : 17,004.90 = 10,105.40 : x
  2. Step 2: Convert to fraction form
    11,336.60/17,004.90 = 10,105.40/x
  3. Step 3: Cross multiply
    11,336.60x = 17,004.90 × 10,105.40
  4. Step 4: Simplify right side
    11,336.60x = 171,841,316.46
  5. Step 5: Solve for x
    x = 171,841,316.46/11,336.60
  6. Step 6: Final answer
    x = 15,158.10

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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.