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Finding the Fourth Proportional to 11,706.18, 17,548.86 and 4,308.87

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Solution

The fourth proportional to 11,706.18, 17,548.86 and 4,308.87 is: 6,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.18 : 17,548.86 = 4,308.87 : x
  2. Step 2: Convert to fraction form
    11,706.18/17,548.86 = 4,308.87/x
  3. Step 3: Cross multiply
    11,706.18x = 17,548.86 × 4,308.87
  4. Step 4: Simplify right side
    11,706.18x = 75,615,756.39
  5. Step 5: Solve for x
    x = 75,615,756.39/11,706.18
  6. Step 6: Final answer
    x = 6,459.47

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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.