Home / 13,117.10-19,684.53-5,717.27

Finding the Fourth Proportional to 13,117.10, 19,684.53 and 5,717.27

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Solution

The fourth proportional to 13,117.10, 19,684.53 and 5,717.27 is: 8,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.10 : 19,684.53 = 5,717.27 : x
  2. Step 2: Convert to fraction form
    13,117.10/19,684.53 = 5,717.27/x
  3. Step 3: Cross multiply
    13,117.10x = 19,684.53 × 5,717.27
  4. Step 4: Simplify right side
    13,117.10x = 112,541,822.04
  5. Step 5: Solve for x
    x = 112,541,822.04/13,117.10
  6. Step 6: Final answer
    x = 8,579.78

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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.