Home / 11,311.26-16,966.53-4,647.51

Finding the Fourth Proportional to 11,311.26, 16,966.53 and 4,647.51

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Solution

The fourth proportional to 11,311.26, 16,966.53 and 4,647.51 is: 6,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.26 : 16,966.53 = 4,647.51 : x
  2. Step 2: Convert to fraction form
    11,311.26/16,966.53 = 4,647.51/x
  3. Step 3: Cross multiply
    11,311.26x = 16,966.53 × 4,647.51
  4. Step 4: Simplify right side
    11,311.26x = 78,852,117.84
  5. Step 5: Solve for x
    x = 78,852,117.84/11,311.26
  6. Step 6: Final answer
    x = 6,971.12

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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.