Home / 7,618.73-10,512.71-4,474.31

Finding the Fourth Proportional to 7,618.73, 10,512.71 and 4,474.31

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Solution

The fourth proportional to 7,618.73, 10,512.71 and 4,474.31 is: 6,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.73 : 10,512.71 = 4,474.31 : x
  2. Step 2: Convert to fraction form
    7,618.73/10,512.71 = 4,474.31/x
  3. Step 3: Cross multiply
    7,618.73x = 10,512.71 × 4,474.31
  4. Step 4: Simplify right side
    7,618.73x = 47,037,127.39
  5. Step 5: Solve for x
    x = 47,037,127.39/7,618.73
  6. Step 6: Final answer
    x = 6,173.88

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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.