Home / 11,057.74-15,279.10-8,837.93

Finding the Fourth Proportional to 11,057.74, 15,279.10 and 8,837.93

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Solution

The fourth proportional to 11,057.74, 15,279.10 and 8,837.93 is: 12,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.74 : 15,279.10 = 8,837.93 : x
  2. Step 2: Convert to fraction form
    11,057.74/15,279.10 = 8,837.93/x
  3. Step 3: Cross multiply
    11,057.74x = 15,279.10 × 8,837.93
  4. Step 4: Simplify right side
    11,057.74x = 135,035,632.37
  5. Step 5: Solve for x
    x = 135,035,632.37/11,057.74
  6. Step 6: Final answer
    x = 12,211.87

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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.