Home / 9,324.51-13,981.95-2,749.86

Finding the Fourth Proportional to 9,324.51, 13,981.95 and 2,749.86

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Solution

The fourth proportional to 9,324.51, 13,981.95 and 2,749.86 is: 4,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.51 : 13,981.95 = 2,749.86 : x
  2. Step 2: Convert to fraction form
    9,324.51/13,981.95 = 2,749.86/x
  3. Step 3: Cross multiply
    9,324.51x = 13,981.95 × 2,749.86
  4. Step 4: Simplify right side
    9,324.51x = 38,448,405.03
  5. Step 5: Solve for x
    x = 38,448,405.03/9,324.51
  6. Step 6: Final answer
    x = 4,123.37

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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.