Home / 7,555.18-10,426.14-4,198.30

Finding the Fourth Proportional to 7,555.18, 10,426.14 and 4,198.30

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Solution

The fourth proportional to 7,555.18, 10,426.14 and 4,198.30 is: 5,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.18 : 10,426.14 = 4,198.30 : x
  2. Step 2: Convert to fraction form
    7,555.18/10,426.14 = 4,198.30/x
  3. Step 3: Cross multiply
    7,555.18x = 10,426.14 × 4,198.30
  4. Step 4: Simplify right side
    7,555.18x = 43,772,063.56
  5. Step 5: Solve for x
    x = 43,772,063.56/7,555.18
  6. Step 6: Final answer
    x = 5,793.65

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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.