Home / 11,022.09-15,212.34-10,657.59

Finding the Fourth Proportional to 11,022.09, 15,212.34 and 10,657.59

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Solution

The fourth proportional to 11,022.09, 15,212.34 and 10,657.59 is: 14,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.09 : 15,212.34 = 10,657.59 : x
  2. Step 2: Convert to fraction form
    11,022.09/15,212.34 = 10,657.59/x
  3. Step 3: Cross multiply
    11,022.09x = 15,212.34 × 10,657.59
  4. Step 4: Simplify right side
    11,022.09x = 162,126,882.66
  5. Step 5: Solve for x
    x = 162,126,882.66/11,022.09
  6. Step 6: Final answer
    x = 14,709.27

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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.