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Finding the Fourth Proportional to 11,888.74, 17,816.10 and 6,683.68

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Solution

The fourth proportional to 11,888.74, 17,816.10 and 6,683.68 is: 10,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.74 : 17,816.10 = 6,683.68 : x
  2. Step 2: Convert to fraction form
    11,888.74/17,816.10 = 6,683.68/x
  3. Step 3: Cross multiply
    11,888.74x = 17,816.10 × 6,683.68
  4. Step 4: Simplify right side
    11,888.74x = 119,077,111.25
  5. Step 5: Solve for x
    x = 119,077,111.25/11,888.74
  6. Step 6: Final answer
    x = 10,015.96

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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.