Home / 11,425.02-15,762.09-7,174.27

Finding the Fourth Proportional to 11,425.02, 15,762.09 and 7,174.27

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Solution

The fourth proportional to 11,425.02, 15,762.09 and 7,174.27 is: 9,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.02 : 15,762.09 = 7,174.27 : x
  2. Step 2: Convert to fraction form
    11,425.02/15,762.09 = 7,174.27/x
  3. Step 3: Cross multiply
    11,425.02x = 15,762.09 × 7,174.27
  4. Step 4: Simplify right side
    11,425.02x = 113,081,489.42
  5. Step 5: Solve for x
    x = 113,081,489.42/11,425.02
  6. Step 6: Final answer
    x = 9,897.71

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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.