Home / 8,519.18-11,754.52-4,980.69

Finding the Fourth Proportional to 8,519.18, 11,754.52 and 4,980.69

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Solution

The fourth proportional to 8,519.18, 11,754.52 and 4,980.69 is: 6,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.18 : 11,754.52 = 4,980.69 : x
  2. Step 2: Convert to fraction form
    8,519.18/11,754.52 = 4,980.69/x
  3. Step 3: Cross multiply
    8,519.18x = 11,754.52 × 4,980.69
  4. Step 4: Simplify right side
    8,519.18x = 58,545,607.77
  5. Step 5: Solve for x
    x = 58,545,607.77/8,519.18
  6. Step 6: Final answer
    x = 6,872.22

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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.