Home / 7,475.01-11,218.26-2,798.49

Finding the Fourth Proportional to 7,475.01, 11,218.26 and 2,798.49

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Solution

The fourth proportional to 7,475.01, 11,218.26 and 2,798.49 is: 4,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.01 : 11,218.26 = 2,798.49 : x
  2. Step 2: Convert to fraction form
    7,475.01/11,218.26 = 2,798.49/x
  3. Step 3: Cross multiply
    7,475.01x = 11,218.26 × 2,798.49
  4. Step 4: Simplify right side
    7,475.01x = 31,394,188.43
  5. Step 5: Solve for x
    x = 31,394,188.43/7,475.01
  6. Step 6: Final answer
    x = 4,199.89

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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.