Home / 13,249.40-19,879.20-5,848.64

Finding the Fourth Proportional to 13,249.40, 19,879.20 and 5,848.64

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Solution

The fourth proportional to 13,249.40, 19,879.20 and 5,848.64 is: 8,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.40 : 19,879.20 = 5,848.64 : x
  2. Step 2: Convert to fraction form
    13,249.40/19,879.20 = 5,848.64/x
  3. Step 3: Cross multiply
    13,249.40x = 19,879.20 × 5,848.64
  4. Step 4: Simplify right side
    13,249.40x = 116,266,284.29
  5. Step 5: Solve for x
    x = 116,266,284.29/13,249.40
  6. Step 6: Final answer
    x = 8,775.21

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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.