Home / 11,285.22-16,929-4,707.72

Finding the Fourth Proportional to 11,285.22, 16,929 and 4,707.72

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Solution

The fourth proportional to 11,285.22, 16,929 and 4,707.72 is: 7,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.22 : 16,929 = 4,707.72 : x
  2. Step 2: Convert to fraction form
    11,285.22/16,929 = 4,707.72/x
  3. Step 3: Cross multiply
    11,285.22x = 16,929 × 4,707.72
  4. Step 4: Simplify right side
    11,285.22x = 79,696,991.88
  5. Step 5: Solve for x
    x = 79,696,991.88/11,285.22
  6. Step 6: Final answer
    x = 7,062.07

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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.