Home / 10,790.76-16,180.63-4,942.36

Finding the Fourth Proportional to 10,790.76, 16,180.63 and 4,942.36

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Solution

The fourth proportional to 10,790.76, 16,180.63 and 4,942.36 is: 7,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.76 : 16,180.63 = 4,942.36 : x
  2. Step 2: Convert to fraction form
    10,790.76/16,180.63 = 4,942.36/x
  3. Step 3: Cross multiply
    10,790.76x = 16,180.63 × 4,942.36
  4. Step 4: Simplify right side
    10,790.76x = 79,970,506.36
  5. Step 5: Solve for x
    x = 79,970,506.36/10,790.76
  6. Step 6: Final answer
    x = 7,411.01

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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.