Home / 11,247.93-15,518.39-7,274.07

Finding the Fourth Proportional to 11,247.93, 15,518.39 and 7,274.07

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Solution

The fourth proportional to 11,247.93, 15,518.39 and 7,274.07 is: 10,035.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.93 : 15,518.39 = 7,274.07 : x
  2. Step 2: Convert to fraction form
    11,247.93/15,518.39 = 7,274.07/x
  3. Step 3: Cross multiply
    11,247.93x = 15,518.39 × 7,274.07
  4. Step 4: Simplify right side
    11,247.93x = 112,881,818.78
  5. Step 5: Solve for x
    x = 112,881,818.78/11,247.93
  6. Step 6: Final answer
    x = 10,035.79

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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.