Home / 6,983.52-10,450.14-5,130

Finding the Fourth Proportional to 6,983.52, 10,450.14 and 5,130

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Solution

The fourth proportional to 6,983.52, 10,450.14 and 5,130 is: 7,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.52 : 10,450.14 = 5,130 : x
  2. Step 2: Convert to fraction form
    6,983.52/10,450.14 = 5,130/x
  3. Step 3: Cross multiply
    6,983.52x = 10,450.14 × 5,130
  4. Step 4: Simplify right side
    6,983.52x = 53,609,218.20
  5. Step 5: Solve for x
    x = 53,609,218.20/6,983.52
  6. Step 6: Final answer
    x = 7,676.53

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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.