Home / 6,518.13-9,776.49-1,838.01

Finding the Fourth Proportional to 6,518.13, 9,776.49 and 1,838.01

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Solution

The fourth proportional to 6,518.13, 9,776.49 and 1,838.01 is: 2,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.13 : 9,776.49 = 1,838.01 : x
  2. Step 2: Convert to fraction form
    6,518.13/9,776.49 = 1,838.01/x
  3. Step 3: Cross multiply
    6,518.13x = 9,776.49 × 1,838.01
  4. Step 4: Simplify right side
    6,518.13x = 17,969,286.38
  5. Step 5: Solve for x
    x = 17,969,286.38/6,518.13
  6. Step 6: Final answer
    x = 2,756.82

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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.