Home / 10,935.10-16,402.73-4,689.85

Finding the Fourth Proportional to 10,935.10, 16,402.73 and 4,689.85

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Solution

The fourth proportional to 10,935.10, 16,402.73 and 4,689.85 is: 7,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.10 : 16,402.73 = 4,689.85 : x
  2. Step 2: Convert to fraction form
    10,935.10/16,402.73 = 4,689.85/x
  3. Step 3: Cross multiply
    10,935.10x = 16,402.73 × 4,689.85
  4. Step 4: Simplify right side
    10,935.10x = 76,926,273.00
  5. Step 5: Solve for x
    x = 76,926,273.00/10,935.10
  6. Step 6: Final answer
    x = 7,034.80

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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.