Home / 12,725,904.75-17,561,600.91-6,924,586.56

Finding the Fourth Proportional to 12,725,904.75, 17,561,600.91 and 6,924,586.56

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Solution

The fourth proportional to 12,725,904.75, 17,561,600.91 and 6,924,586.56 is: 9,555,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725,904.75 : 17,561,600.91 = 6,924,586.56 : x
  2. Step 2: Convert to fraction form
    12,725,904.75/17,561,600.91 = 6,924,586.56/x
  3. Step 3: Cross multiply
    12,725,904.75x = 17,561,600.91 × 6,924,586.56
  4. Step 4: Simplify right side
    12,725,904.75x = 121,606,825,633,469.77
  5. Step 5: Solve for x
    x = 121,606,825,633,469.77/12,725,904.75
  6. Step 6: Final answer
    x = 9,555,849.11

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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.