Home / 7,526.93-11,291.30-3,143.81

Finding the Fourth Proportional to 7,526.93, 11,291.30 and 3,143.81

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Solution

The fourth proportional to 7,526.93, 11,291.30 and 3,143.81 is: 4,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.93 : 11,291.30 = 3,143.81 : x
  2. Step 2: Convert to fraction form
    7,526.93/11,291.30 = 3,143.81/x
  3. Step 3: Cross multiply
    7,526.93x = 11,291.30 × 3,143.81
  4. Step 4: Simplify right side
    7,526.93x = 35,497,726.15
  5. Step 5: Solve for x
    x = 35,497,726.15/7,526.93
  6. Step 6: Final answer
    x = 4,716.10

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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.