Home / 7,983.72-11,017.62-4,447.14

Finding the Fourth Proportional to 7,983.72, 11,017.62 and 4,447.14

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Solution

The fourth proportional to 7,983.72, 11,017.62 and 4,447.14 is: 6,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.72 : 11,017.62 = 4,447.14 : x
  2. Step 2: Convert to fraction form
    7,983.72/11,017.62 = 4,447.14/x
  3. Step 3: Cross multiply
    7,983.72x = 11,017.62 × 4,447.14
  4. Step 4: Simplify right side
    7,983.72x = 48,996,898.61
  5. Step 5: Solve for x
    x = 48,996,898.61/7,983.72
  6. Step 6: Final answer
    x = 6,137.10

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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.