Home / 11,053.06-16,498.21-10,129.66

Finding the Fourth Proportional to 11,053.06, 16,498.21 and 10,129.66

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Solution

The fourth proportional to 11,053.06, 16,498.21 and 10,129.66 is: 15,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.06 : 16,498.21 = 10,129.66 : x
  2. Step 2: Convert to fraction form
    11,053.06/16,498.21 = 10,129.66/x
  3. Step 3: Cross multiply
    11,053.06x = 16,498.21 × 10,129.66
  4. Step 4: Simplify right side
    11,053.06x = 167,121,257.91
  5. Step 5: Solve for x
    x = 167,121,257.91/11,053.06
  6. Step 6: Final answer
    x = 15,119.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.