Home / 10,916.80-16,377.90-3,522.04

Finding the Fourth Proportional to 10,916.80, 16,377.90 and 3,522.04

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Solution

The fourth proportional to 10,916.80, 16,377.90 and 3,522.04 is: 5,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.80 : 16,377.90 = 3,522.04 : x
  2. Step 2: Convert to fraction form
    10,916.80/16,377.90 = 3,522.04/x
  3. Step 3: Cross multiply
    10,916.80x = 16,377.90 × 3,522.04
  4. Step 4: Simplify right side
    10,916.80x = 57,683,618.92
  5. Step 5: Solve for x
    x = 57,683,618.92/10,916.80
  6. Step 6: Final answer
    x = 5,283.93

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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.