Home / 10,926.34-16,389.38-3,135.12

Finding the Fourth Proportional to 10,926.34, 16,389.38 and 3,135.12

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Solution

The fourth proportional to 10,926.34, 16,389.38 and 3,135.12 is: 4,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.34 : 16,389.38 = 3,135.12 : x
  2. Step 2: Convert to fraction form
    10,926.34/16,389.38 = 3,135.12/x
  3. Step 3: Cross multiply
    10,926.34x = 16,389.38 × 3,135.12
  4. Step 4: Simplify right side
    10,926.34x = 51,382,673.03
  5. Step 5: Solve for x
    x = 51,382,673.03/10,926.34
  6. Step 6: Final answer
    x = 4,702.64

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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.