Home / 10,357.08-15,535.75-2,961.78

Finding the Fourth Proportional to 10,357.08, 15,535.75 and 2,961.78

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Solution

The fourth proportional to 10,357.08, 15,535.75 and 2,961.78 is: 4,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.08 : 15,535.75 = 2,961.78 : x
  2. Step 2: Convert to fraction form
    10,357.08/15,535.75 = 2,961.78/x
  3. Step 3: Cross multiply
    10,357.08x = 15,535.75 × 2,961.78
  4. Step 4: Simplify right side
    10,357.08x = 46,013,473.64
  5. Step 5: Solve for x
    x = 46,013,473.64/10,357.08
  6. Step 6: Final answer
    x = 4,442.71

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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.