Home / 11,031.12-15,220.53-8,048.59

Finding the Fourth Proportional to 11,031.12, 15,220.53 and 8,048.59

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Solution

The fourth proportional to 11,031.12, 15,220.53 and 8,048.59 is: 11,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.12 : 15,220.53 = 8,048.59 : x
  2. Step 2: Convert to fraction form
    11,031.12/15,220.53 = 8,048.59/x
  3. Step 3: Cross multiply
    11,031.12x = 15,220.53 × 8,048.59
  4. Step 4: Simplify right side
    11,031.12x = 122,503,767.50
  5. Step 5: Solve for x
    x = 122,503,767.50/11,031.12
  6. Step 6: Final answer
    x = 11,105.29

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Half scale
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Double scale
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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.