Home / 9,961.40-13,746.19-5,484.30

Finding the Fourth Proportional to 9,961.40, 13,746.19 and 5,484.30

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Solution

The fourth proportional to 9,961.40, 13,746.19 and 5,484.30 is: 7,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.40 : 13,746.19 = 5,484.30 : x
  2. Step 2: Convert to fraction form
    9,961.40/13,746.19 = 5,484.30/x
  3. Step 3: Cross multiply
    9,961.40x = 13,746.19 × 5,484.30
  4. Step 4: Simplify right side
    9,961.40x = 75,388,288.22
  5. Step 5: Solve for x
    x = 75,388,288.22/9,961.40
  6. Step 6: Final answer
    x = 7,568.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.