Home / 7,982.52-11,012.88-4,837.56

Finding the Fourth Proportional to 7,982.52, 11,012.88 and 4,837.56

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Solution

The fourth proportional to 7,982.52, 11,012.88 and 4,837.56 is: 6,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.52 : 11,012.88 = 4,837.56 : x
  2. Step 2: Convert to fraction form
    7,982.52/11,012.88 = 4,837.56/x
  3. Step 3: Cross multiply
    7,982.52x = 11,012.88 × 4,837.56
  4. Step 4: Simplify right side
    7,982.52x = 53,275,467.77
  5. Step 5: Solve for x
    x = 53,275,467.77/7,982.52
  6. Step 6: Final answer
    x = 6,674.02

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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.