Home / 11,982.08-16,538.24-7,015.68

Finding the Fourth Proportional to 11,982.08, 16,538.24 and 7,015.68

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Solution

The fourth proportional to 11,982.08, 16,538.24 and 7,015.68 is: 9,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.08 : 16,538.24 = 7,015.68 : x
  2. Step 2: Convert to fraction form
    11,982.08/16,538.24 = 7,015.68/x
  3. Step 3: Cross multiply
    11,982.08x = 16,538.24 × 7,015.68
  4. Step 4: Simplify right side
    11,982.08x = 116,026,999.60
  5. Step 5: Solve for x
    x = 116,026,999.60/11,982.08
  6. Step 6: Final answer
    x = 9,683.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.