Home / 10,356.75-15,535.80-2,961.81

Finding the Fourth Proportional to 10,356.75, 15,535.80 and 2,961.81

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Solution

The fourth proportional to 10,356.75, 15,535.80 and 2,961.81 is: 4,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.75 : 15,535.80 = 2,961.81 : x
  2. Step 2: Convert to fraction form
    10,356.75/15,535.80 = 2,961.81/x
  3. Step 3: Cross multiply
    10,356.75x = 15,535.80 × 2,961.81
  4. Step 4: Simplify right side
    10,356.75x = 46,014,087.80
  5. Step 5: Solve for x
    x = 46,014,087.80/10,356.75
  6. Step 6: Final answer
    x = 4,442.91

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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.