Home / 7,428.51-11,140.34-2,496.83

Finding the Fourth Proportional to 7,428.51, 11,140.34 and 2,496.83

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Solution

The fourth proportional to 7,428.51, 11,140.34 and 2,496.83 is: 3,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.51 : 11,140.34 = 2,496.83 : x
  2. Step 2: Convert to fraction form
    7,428.51/11,140.34 = 2,496.83/x
  3. Step 3: Cross multiply
    7,428.51x = 11,140.34 × 2,496.83
  4. Step 4: Simplify right side
    7,428.51x = 27,815,466.94
  5. Step 5: Solve for x
    x = 27,815,466.94/7,428.51
  6. Step 6: Final answer
    x = 3,744.42

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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.