Home / 10,926.10-16,389.24-3,135.16

Finding the Fourth Proportional to 10,926.10, 16,389.24 and 3,135.16

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Solution

The fourth proportional to 10,926.10, 16,389.24 and 3,135.16 is: 4,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.10 : 16,389.24 = 3,135.16 : x
  2. Step 2: Convert to fraction form
    10,926.10/16,389.24 = 3,135.16/x
  3. Step 3: Cross multiply
    10,926.10x = 16,389.24 × 3,135.16
  4. Step 4: Simplify right side
    10,926.10x = 51,382,889.68
  5. Step 5: Solve for x
    x = 51,382,889.68/10,926.10
  6. Step 6: Final answer
    x = 4,702.77

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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.