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Finding the Fourth Proportional to 11,504.60, 17,256.90 and 4,109.30

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Solution

The fourth proportional to 11,504.60, 17,256.90 and 4,109.30 is: 6,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,504.60 : 17,256.90 = 4,109.30 : x
  2. Step 2: Convert to fraction form
    11,504.60/17,256.90 = 4,109.30/x
  3. Step 3: Cross multiply
    11,504.60x = 17,256.90 × 4,109.30
  4. Step 4: Simplify right side
    11,504.60x = 70,913,779.17
  5. Step 5: Solve for x
    x = 70,913,779.17/11,504.60
  6. Step 6: Final answer
    x = 6,163.95

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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.