Home / 11,015.66-15,196.65-6,539.60

Finding the Fourth Proportional to 11,015.66, 15,196.65 and 6,539.60

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Solution

The fourth proportional to 11,015.66, 15,196.65 and 6,539.60 is: 9,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.66 : 15,196.65 = 6,539.60 : x
  2. Step 2: Convert to fraction form
    11,015.66/15,196.65 = 6,539.60/x
  3. Step 3: Cross multiply
    11,015.66x = 15,196.65 × 6,539.60
  4. Step 4: Simplify right side
    11,015.66x = 99,380,012.34
  5. Step 5: Solve for x
    x = 99,380,012.34/11,015.66
  6. Step 6: Final answer
    x = 9,021.70

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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.