Home / 8,239.30-11,370.25-4,462.47

Finding the Fourth Proportional to 8,239.30, 11,370.25 and 4,462.47

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Solution

The fourth proportional to 8,239.30, 11,370.25 and 4,462.47 is: 6,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.30 : 11,370.25 = 4,462.47 : x
  2. Step 2: Convert to fraction form
    8,239.30/11,370.25 = 4,462.47/x
  3. Step 3: Cross multiply
    8,239.30x = 11,370.25 × 4,462.47
  4. Step 4: Simplify right side
    8,239.30x = 50,739,431.00
  5. Step 5: Solve for x
    x = 50,739,431.00/8,239.30
  6. Step 6: Final answer
    x = 6,158.22

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1.5x scale

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.