Home / 11,516.78-17,254.29-5,282.01

Finding the Fourth Proportional to 11,516.78, 17,254.29 and 5,282.01

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Solution

The fourth proportional to 11,516.78, 17,254.29 and 5,282.01 is: 7,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.78 : 17,254.29 = 5,282.01 : x
  2. Step 2: Convert to fraction form
    11,516.78/17,254.29 = 5,282.01/x
  3. Step 3: Cross multiply
    11,516.78x = 17,254.29 × 5,282.01
  4. Step 4: Simplify right side
    11,516.78x = 91,137,332.32
  5. Step 5: Solve for x
    x = 91,137,332.32/11,516.78
  6. Step 6: Final answer
    x = 7,913.44

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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.