Home / 9,966.20-14,945.78-2,944.34

Finding the Fourth Proportional to 9,966.20, 14,945.78 and 2,944.34

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Solution

The fourth proportional to 9,966.20, 14,945.78 and 2,944.34 is: 4,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.20 : 14,945.78 = 2,944.34 : x
  2. Step 2: Convert to fraction form
    9,966.20/14,945.78 = 2,944.34/x
  3. Step 3: Cross multiply
    9,966.20x = 14,945.78 × 2,944.34
  4. Step 4: Simplify right side
    9,966.20x = 44,005,368.43
  5. Step 5: Solve for x
    x = 44,005,368.43/9,966.20
  6. Step 6: Final answer
    x = 4,415.46

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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.