Home / 8,518.14-11,752.38-4,980.96

Finding the Fourth Proportional to 8,518.14, 11,752.38 and 4,980.96

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Solution

The fourth proportional to 8,518.14, 11,752.38 and 4,980.96 is: 6,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.14 : 11,752.38 = 4,980.96 : x
  2. Step 2: Convert to fraction form
    8,518.14/11,752.38 = 4,980.96/x
  3. Step 3: Cross multiply
    8,518.14x = 11,752.38 × 4,980.96
  4. Step 4: Simplify right side
    8,518.14x = 58,538,134.68
  5. Step 5: Solve for x
    x = 58,538,134.68/8,518.14
  6. Step 6: Final answer
    x = 6,872.17

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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.