Home / 11,169.68-15,421.37-6,925.24

Finding the Fourth Proportional to 11,169.68, 15,421.37 and 6,925.24

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Solution

The fourth proportional to 11,169.68, 15,421.37 and 6,925.24 is: 9,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.68 : 15,421.37 = 6,925.24 : x
  2. Step 2: Convert to fraction form
    11,169.68/15,421.37 = 6,925.24/x
  3. Step 3: Cross multiply
    11,169.68x = 15,421.37 × 6,925.24
  4. Step 4: Simplify right side
    11,169.68x = 106,796,735.33
  5. Step 5: Solve for x
    x = 106,796,735.33/11,169.68
  6. Step 6: Final answer
    x = 9,561.31

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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.