Home / 9,947.58-14,920.68-7,179.27

Finding the Fourth Proportional to 9,947.58, 14,920.68 and 7,179.27

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Solution

The fourth proportional to 9,947.58, 14,920.68 and 7,179.27 is: 10,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.58 : 14,920.68 = 7,179.27 : x
  2. Step 2: Convert to fraction form
    9,947.58/14,920.68 = 7,179.27/x
  3. Step 3: Cross multiply
    9,947.58x = 14,920.68 × 7,179.27
  4. Step 4: Simplify right side
    9,947.58x = 107,119,590.30
  5. Step 5: Solve for x
    x = 107,119,590.30/9,947.58
  6. Step 6: Final answer
    x = 10,768.41

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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.