Home / 7,983.72-11,976.08-2,437.07

Finding the Fourth Proportional to 7,983.72, 11,976.08 and 2,437.07

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Solution

The fourth proportional to 7,983.72, 11,976.08 and 2,437.07 is: 3,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.72 : 11,976.08 = 2,437.07 : x
  2. Step 2: Convert to fraction form
    7,983.72/11,976.08 = 2,437.07/x
  3. Step 3: Cross multiply
    7,983.72x = 11,976.08 × 2,437.07
  4. Step 4: Simplify right side
    7,983.72x = 29,186,473.22
  5. Step 5: Solve for x
    x = 29,186,473.22/7,983.72
  6. Step 6: Final answer
    x = 3,655.75

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1.5x scale

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.