Home / 11,015.40-15,201.14-6,236.30

Finding the Fourth Proportional to 11,015.40, 15,201.14 and 6,236.30

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Solution

The fourth proportional to 11,015.40, 15,201.14 and 6,236.30 is: 8,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.40 : 15,201.14 = 6,236.30 : x
  2. Step 2: Convert to fraction form
    11,015.40/15,201.14 = 6,236.30/x
  3. Step 3: Cross multiply
    11,015.40x = 15,201.14 × 6,236.30
  4. Step 4: Simplify right side
    11,015.40x = 94,798,876.20
  5. Step 5: Solve for x
    x = 94,798,876.20/11,015.40
  6. Step 6: Final answer
    x = 8,606.03

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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.