Home / 10,916.64-16,374.99-3,521.64

Finding the Fourth Proportional to 10,916.64, 16,374.99 and 3,521.64

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Solution

The fourth proportional to 10,916.64, 16,374.99 and 3,521.64 is: 5,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.64 : 16,374.99 = 3,521.64 : x
  2. Step 2: Convert to fraction form
    10,916.64/16,374.99 = 3,521.64/x
  3. Step 3: Cross multiply
    10,916.64x = 16,374.99 × 3,521.64
  4. Step 4: Simplify right side
    10,916.64x = 57,666,819.78
  5. Step 5: Solve for x
    x = 57,666,819.78/10,916.64
  6. Step 6: Final answer
    x = 5,282.47

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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.