Home / 7,212.51-10,801.40-3,693.24

Finding the Fourth Proportional to 7,212.51, 10,801.40 and 3,693.24

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Solution

The fourth proportional to 7,212.51, 10,801.40 and 3,693.24 is: 5,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.51 : 10,801.40 = 3,693.24 : x
  2. Step 2: Convert to fraction form
    7,212.51/10,801.40 = 3,693.24/x
  3. Step 3: Cross multiply
    7,212.51x = 10,801.40 × 3,693.24
  4. Step 4: Simplify right side
    7,212.51x = 39,892,144.07
  5. Step 5: Solve for x
    x = 39,892,144.07/7,212.51
  6. Step 6: Final answer
    x = 5,530.97

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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.