Home / 6,231.48-9,347.08-5,131.44

Finding the Fourth Proportional to 6,231.48, 9,347.08 and 5,131.44

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Solution

The fourth proportional to 6,231.48, 9,347.08 and 5,131.44 is: 7,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.48 : 9,347.08 = 5,131.44 : x
  2. Step 2: Convert to fraction form
    6,231.48/9,347.08 = 5,131.44/x
  3. Step 3: Cross multiply
    6,231.48x = 9,347.08 × 5,131.44
  4. Step 4: Simplify right side
    6,231.48x = 47,963,980.20
  5. Step 5: Solve for x
    x = 47,963,980.20/6,231.48
  6. Step 6: Final answer
    x = 7,697.04

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1.5x scale

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.