Home / 11,325.81-16,985.48-3,532.53

Finding the Fourth Proportional to 11,325.81, 16,985.48 and 3,532.53

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Solution

The fourth proportional to 11,325.81, 16,985.48 and 3,532.53 is: 5,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.81 : 16,985.48 = 3,532.53 : x
  2. Step 2: Convert to fraction form
    11,325.81/16,985.48 = 3,532.53/x
  3. Step 3: Cross multiply
    11,325.81x = 16,985.48 × 3,532.53
  4. Step 4: Simplify right side
    11,325.81x = 60,001,700.00
  5. Step 5: Solve for x
    x = 60,001,700.00/11,325.81
  6. Step 6: Final answer
    x = 5,297.78

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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.