Home / 10,362.52-15,543.78-2,571.33

Finding the Fourth Proportional to 10,362.52, 15,543.78 and 2,571.33

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Solution

The fourth proportional to 10,362.52, 15,543.78 and 2,571.33 is: 3,857.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.52 : 15,543.78 = 2,571.33 : x
  2. Step 2: Convert to fraction form
    10,362.52/15,543.78 = 2,571.33/x
  3. Step 3: Cross multiply
    10,362.52x = 15,543.78 × 2,571.33
  4. Step 4: Simplify right side
    10,362.52x = 39,968,187.83
  5. Step 5: Solve for x
    x = 39,968,187.83/10,362.52
  6. Step 6: Final answer
    x = 3,857.00

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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.