Home / 11,182.48-15,431.40-6,146.32

Finding the Fourth Proportional to 11,182.48, 15,431.40 and 6,146.32

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Solution

The fourth proportional to 11,182.48, 15,431.40 and 6,146.32 is: 8,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.48 : 15,431.40 = 6,146.32 : x
  2. Step 2: Convert to fraction form
    11,182.48/15,431.40 = 6,146.32/x
  3. Step 3: Cross multiply
    11,182.48x = 15,431.40 × 6,146.32
  4. Step 4: Simplify right side
    11,182.48x = 94,846,322.45
  5. Step 5: Solve for x
    x = 94,846,322.45/11,182.48
  6. Step 6: Final answer
    x = 8,481.69

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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.