Home / 11,012.10-15,191.51-6,293.63

Finding the Fourth Proportional to 11,012.10, 15,191.51 and 6,293.63

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Solution

The fourth proportional to 11,012.10, 15,191.51 and 6,293.63 is: 8,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.10 : 15,191.51 = 6,293.63 : x
  2. Step 2: Convert to fraction form
    11,012.10/15,191.51 = 6,293.63/x
  3. Step 3: Cross multiply
    11,012.10x = 15,191.51 × 6,293.63
  4. Step 4: Simplify right side
    11,012.10x = 95,609,635.66
  5. Step 5: Solve for x
    x = 95,609,635.66/11,012.10
  6. Step 6: Final answer
    x = 8,682.23

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Half scale
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Double scale
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Similar ratio
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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.