Home / 10,820.36-14,932.14-6,105.56

Finding the Fourth Proportional to 10,820.36, 14,932.14 and 6,105.56

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Solution

The fourth proportional to 10,820.36, 14,932.14 and 6,105.56 is: 8,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.36 : 14,932.14 = 6,105.56 : x
  2. Step 2: Convert to fraction form
    10,820.36/14,932.14 = 6,105.56/x
  3. Step 3: Cross multiply
    10,820.36x = 14,932.14 × 6,105.56
  4. Step 4: Simplify right side
    10,820.36x = 91,169,076.70
  5. Step 5: Solve for x
    x = 91,169,076.70/10,820.36
  6. Step 6: Final answer
    x = 8,425.70

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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.