Home / 6,983.15-10,474.86-5,590.02

Finding the Fourth Proportional to 6,983.15, 10,474.86 and 5,590.02

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Solution

The fourth proportional to 6,983.15, 10,474.86 and 5,590.02 is: 8,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.15 : 10,474.86 = 5,590.02 : x
  2. Step 2: Convert to fraction form
    6,983.15/10,474.86 = 5,590.02/x
  3. Step 3: Cross multiply
    6,983.15x = 10,474.86 × 5,590.02
  4. Step 4: Simplify right side
    6,983.15x = 58,554,676.90
  5. Step 5: Solve for x
    x = 58,554,676.90/6,983.15
  6. Step 6: Final answer
    x = 8,385.14

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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.