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Finding the Fourth Proportional to 11,417.64, 17,105.50 and 9,580.52

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Solution

The fourth proportional to 11,417.64, 17,105.50 and 9,580.52 is: 14,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.64 : 17,105.50 = 9,580.52 : x
  2. Step 2: Convert to fraction form
    11,417.64/17,105.50 = 9,580.52/x
  3. Step 3: Cross multiply
    11,417.64x = 17,105.50 × 9,580.52
  4. Step 4: Simplify right side
    11,417.64x = 163,879,584.86
  5. Step 5: Solve for x
    x = 163,879,584.86/11,417.64
  6. Step 6: Final answer
    x = 14,353.19

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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.