Home / 10,561.36-15,845.55-3,542.06

Finding the Fourth Proportional to 10,561.36, 15,845.55 and 3,542.06

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Solution

The fourth proportional to 10,561.36, 15,845.55 and 3,542.06 is: 5,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.36 : 15,845.55 = 3,542.06 : x
  2. Step 2: Convert to fraction form
    10,561.36/15,845.55 = 3,542.06/x
  3. Step 3: Cross multiply
    10,561.36x = 15,845.55 × 3,542.06
  4. Step 4: Simplify right side
    10,561.36x = 56,125,888.83
  5. Step 5: Solve for x
    x = 56,125,888.83/10,561.36
  6. Step 6: Final answer
    x = 5,314.27

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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.