Home / 11,464.35-15,828.54-7,164.02

Finding the Fourth Proportional to 11,464.35, 15,828.54 and 7,164.02

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Solution

The fourth proportional to 11,464.35, 15,828.54 and 7,164.02 is: 9,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.35 : 15,828.54 = 7,164.02 : x
  2. Step 2: Convert to fraction form
    11,464.35/15,828.54 = 7,164.02/x
  3. Step 3: Cross multiply
    11,464.35x = 15,828.54 × 7,164.02
  4. Step 4: Simplify right side
    11,464.35x = 113,395,897.99
  5. Step 5: Solve for x
    x = 113,395,897.99/11,464.35
  6. Step 6: Final answer
    x = 9,891.18

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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.