Home / 11,516.88-17,156.47-11,168.42

Finding the Fourth Proportional to 11,516.88, 17,156.47 and 11,168.42

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Solution

The fourth proportional to 11,516.88, 17,156.47 and 11,168.42 is: 16,637.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.88 : 17,156.47 = 11,168.42 : x
  2. Step 2: Convert to fraction form
    11,516.88/17,156.47 = 11,168.42/x
  3. Step 3: Cross multiply
    11,516.88x = 17,156.47 × 11,168.42
  4. Step 4: Simplify right side
    11,516.88x = 191,610,569.91
  5. Step 5: Solve for x
    x = 191,610,569.91/11,516.88
  6. Step 6: Final answer
    x = 16,637.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.