Home / 10,935.29-16,403.24-4,271.54

Finding the Fourth Proportional to 10,935.29, 16,403.24 and 4,271.54

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Solution

The fourth proportional to 10,935.29, 16,403.24 and 4,271.54 is: 6,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.29 : 16,403.24 = 4,271.54 : x
  2. Step 2: Convert to fraction form
    10,935.29/16,403.24 = 4,271.54/x
  3. Step 3: Cross multiply
    10,935.29x = 16,403.24 × 4,271.54
  4. Step 4: Simplify right side
    10,935.29x = 70,067,024.45
  5. Step 5: Solve for x
    x = 70,067,024.45/10,935.29
  6. Step 6: Final answer
    x = 6,407.42

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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.