Home / 9,961.86-14,944.14-3,386.28

Finding the Fourth Proportional to 9,961.86, 14,944.14 and 3,386.28

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Solution

The fourth proportional to 9,961.86, 14,944.14 and 3,386.28 is: 5,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.86 : 14,944.14 = 3,386.28 : x
  2. Step 2: Convert to fraction form
    9,961.86/14,944.14 = 3,386.28/x
  3. Step 3: Cross multiply
    9,961.86x = 14,944.14 × 3,386.28
  4. Step 4: Simplify right side
    9,961.86x = 50,605,042.40
  5. Step 5: Solve for x
    x = 50,605,042.40/9,961.86
  6. Step 6: Final answer
    x = 5,079.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.