Home / 11,102.40-16,649.55-3,707.10

Finding the Fourth Proportional to 11,102.40, 16,649.55 and 3,707.10

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Solution

The fourth proportional to 11,102.40, 16,649.55 and 3,707.10 is: 5,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.40 : 16,649.55 = 3,707.10 : x
  2. Step 2: Convert to fraction form
    11,102.40/16,649.55 = 3,707.10/x
  3. Step 3: Cross multiply
    11,102.40x = 16,649.55 × 3,707.10
  4. Step 4: Simplify right side
    11,102.40x = 61,721,546.81
  5. Step 5: Solve for x
    x = 61,721,546.81/11,102.40
  6. Step 6: Final answer
    x = 5,559.30

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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.