Home / 11,610.36-16,027.20-7,838.63

Finding the Fourth Proportional to 11,610.36, 16,027.20 and 7,838.63

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Solution

The fourth proportional to 11,610.36, 16,027.20 and 7,838.63 is: 10,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.36 : 16,027.20 = 7,838.63 : x
  2. Step 2: Convert to fraction form
    11,610.36/16,027.20 = 7,838.63/x
  3. Step 3: Cross multiply
    11,610.36x = 16,027.20 × 7,838.63
  4. Step 4: Simplify right side
    11,610.36x = 125,631,261.34
  5. Step 5: Solve for x
    x = 125,631,261.34/11,610.36
  6. Step 6: Final answer
    x = 10,820.62

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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.