Home / 11,312.36-16,968.54-3,521.96

Finding the Fourth Proportional to 11,312.36, 16,968.54 and 3,521.96

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Solution

The fourth proportional to 11,312.36, 16,968.54 and 3,521.96 is: 5,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.36 : 16,968.54 = 3,521.96 : x
  2. Step 2: Convert to fraction form
    11,312.36/16,968.54 = 3,521.96/x
  3. Step 3: Cross multiply
    11,312.36x = 16,968.54 × 3,521.96
  4. Step 4: Simplify right side
    11,312.36x = 59,762,519.14
  5. Step 5: Solve for x
    x = 59,762,519.14/11,312.36
  6. Step 6: Final answer
    x = 5,282.94

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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.