Home / 7,455.99-11,177.51-2,842.23

Finding the Fourth Proportional to 7,455.99, 11,177.51 and 2,842.23

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Solution

The fourth proportional to 7,455.99, 11,177.51 and 2,842.23 is: 4,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.99 : 11,177.51 = 2,842.23 : x
  2. Step 2: Convert to fraction form
    7,455.99/11,177.51 = 2,842.23/x
  3. Step 3: Cross multiply
    7,455.99x = 11,177.51 × 2,842.23
  4. Step 4: Simplify right side
    7,455.99x = 31,769,040.04
  5. Step 5: Solve for x
    x = 31,769,040.04/7,455.99
  6. Step 6: Final answer
    x = 4,260.87

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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.