Home / 10,536.12-15,806.83-4,987.97

Finding the Fourth Proportional to 10,536.12, 15,806.83 and 4,987.97

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Solution

The fourth proportional to 10,536.12, 15,806.83 and 4,987.97 is: 7,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.12 : 15,806.83 = 4,987.97 : x
  2. Step 2: Convert to fraction form
    10,536.12/15,806.83 = 4,987.97/x
  3. Step 3: Cross multiply
    10,536.12x = 15,806.83 × 4,987.97
  4. Step 4: Simplify right side
    10,536.12x = 78,843,993.84
  5. Step 5: Solve for x
    x = 78,843,993.84/10,536.12
  6. Step 6: Final answer
    x = 7,483.21

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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.