Home / 11,815.65-17,711.34-5,244.93

Finding the Fourth Proportional to 11,815.65, 17,711.34 and 5,244.93

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Solution

The fourth proportional to 11,815.65, 17,711.34 and 5,244.93 is: 7,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.65 : 17,711.34 = 5,244.93 : x
  2. Step 2: Convert to fraction form
    11,815.65/17,711.34 = 5,244.93/x
  3. Step 3: Cross multiply
    11,815.65x = 17,711.34 × 5,244.93
  4. Step 4: Simplify right side
    11,815.65x = 92,894,738.51
  5. Step 5: Solve for x
    x = 92,894,738.51/11,815.65
  6. Step 6: Final answer
    x = 7,862.01

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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.