Home / 9,896.09-13,656.03-5,419.92

Finding the Fourth Proportional to 9,896.09, 13,656.03 and 5,419.92

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Solution

The fourth proportional to 9,896.09, 13,656.03 and 5,419.92 is: 7,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.09 : 13,656.03 = 5,419.92 : x
  2. Step 2: Convert to fraction form
    9,896.09/13,656.03 = 5,419.92/x
  3. Step 3: Cross multiply
    9,896.09x = 13,656.03 × 5,419.92
  4. Step 4: Simplify right side
    9,896.09x = 74,014,621.00
  5. Step 5: Solve for x
    x = 74,014,621.00/9,896.09
  6. Step 6: Final answer
    x = 7,479.18

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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.