Home / 11,287.37-15,575.24-6,507.26

Finding the Fourth Proportional to 11,287.37, 15,575.24 and 6,507.26

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Solution

The fourth proportional to 11,287.37, 15,575.24 and 6,507.26 is: 8,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.37 : 15,575.24 = 6,507.26 : x
  2. Step 2: Convert to fraction form
    11,287.37/15,575.24 = 6,507.26/x
  3. Step 3: Cross multiply
    11,287.37x = 15,575.24 × 6,507.26
  4. Step 4: Simplify right side
    11,287.37x = 101,352,136.24
  5. Step 5: Solve for x
    x = 101,352,136.24/11,287.37
  6. Step 6: Final answer
    x = 8,979.25

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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.