Home / 8,147.54-11,238.80-5,001.50

Finding the Fourth Proportional to 8,147.54, 11,238.80 and 5,001.50

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Solution

The fourth proportional to 8,147.54, 11,238.80 and 5,001.50 is: 6,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.54 : 11,238.80 = 5,001.50 : x
  2. Step 2: Convert to fraction form
    8,147.54/11,238.80 = 5,001.50/x
  3. Step 3: Cross multiply
    8,147.54x = 11,238.80 × 5,001.50
  4. Step 4: Simplify right side
    8,147.54x = 56,210,858.20
  5. Step 5: Solve for x
    x = 56,210,858.20/8,147.54
  6. Step 6: Final answer
    x = 6,899.12

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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.