Home / 10,656.93-15,982.16-3,729.81

Finding the Fourth Proportional to 10,656.93, 15,982.16 and 3,729.81

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Solution

The fourth proportional to 10,656.93, 15,982.16 and 3,729.81 is: 5,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.93 : 15,982.16 = 3,729.81 : x
  2. Step 2: Convert to fraction form
    10,656.93/15,982.16 = 3,729.81/x
  3. Step 3: Cross multiply
    10,656.93x = 15,982.16 × 3,729.81
  4. Step 4: Simplify right side
    10,656.93x = 59,610,420.19
  5. Step 5: Solve for x
    x = 59,610,420.19/10,656.93
  6. Step 6: Final answer
    x = 5,593.58

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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.