Home / 7,067.24-9,756.44-4,980.68

Finding the Fourth Proportional to 7,067.24, 9,756.44 and 4,980.68

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Solution

The fourth proportional to 7,067.24, 9,756.44 and 4,980.68 is: 6,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.24 : 9,756.44 = 4,980.68 : x
  2. Step 2: Convert to fraction form
    7,067.24/9,756.44 = 4,980.68/x
  3. Step 3: Cross multiply
    7,067.24x = 9,756.44 × 4,980.68
  4. Step 4: Simplify right side
    7,067.24x = 48,593,705.58
  5. Step 5: Solve for x
    x = 48,593,705.58/7,067.24
  6. Step 6: Final answer
    x = 6,875.91

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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.