Home / 9,090.23-12,544.09-5,057.26

Finding the Fourth Proportional to 9,090.23, 12,544.09 and 5,057.26

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Solution

The fourth proportional to 9,090.23, 12,544.09 and 5,057.26 is: 6,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.23 : 12,544.09 = 5,057.26 : x
  2. Step 2: Convert to fraction form
    9,090.23/12,544.09 = 5,057.26/x
  3. Step 3: Cross multiply
    9,090.23x = 12,544.09 × 5,057.26
  4. Step 4: Simplify right side
    9,090.23x = 63,438,680.59
  5. Step 5: Solve for x
    x = 63,438,680.59/9,090.23
  6. Step 6: Final answer
    x = 6,978.78

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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.