Home / 10,628.97-15,944.94-4,705.40

Finding the Fourth Proportional to 10,628.97, 15,944.94 and 4,705.40

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Solution

The fourth proportional to 10,628.97, 15,944.94 and 4,705.40 is: 7,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.97 : 15,944.94 = 4,705.40 : x
  2. Step 2: Convert to fraction form
    10,628.97/15,944.94 = 4,705.40/x
  3. Step 3: Cross multiply
    10,628.97x = 15,944.94 × 4,705.40
  4. Step 4: Simplify right side
    10,628.97x = 75,027,240.95
  5. Step 5: Solve for x
    x = 75,027,240.95/10,628.97
  6. Step 6: Final answer
    x = 7,058.75

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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.