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Finding the Fourth Proportional to 11,913.68, 17,892.39 and 10,437.46

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Solution

The fourth proportional to 11,913.68, 17,892.39 and 10,437.46 is: 15,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.68 : 17,892.39 = 10,437.46 : x
  2. Step 2: Convert to fraction form
    11,913.68/17,892.39 = 10,437.46/x
  3. Step 3: Cross multiply
    11,913.68x = 17,892.39 × 10,437.46
  4. Step 4: Simplify right side
    11,913.68x = 186,751,099.34
  5. Step 5: Solve for x
    x = 186,751,099.34/11,913.68
  6. Step 6: Final answer
    x = 15,675.35

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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.