Home / 11,765.49-16,236.81-6,460.26

Finding the Fourth Proportional to 11,765.49, 16,236.81 and 6,460.26

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Solution

The fourth proportional to 11,765.49, 16,236.81 and 6,460.26 is: 8,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.49 : 16,236.81 = 6,460.26 : x
  2. Step 2: Convert to fraction form
    11,765.49/16,236.81 = 6,460.26/x
  3. Step 3: Cross multiply
    11,765.49x = 16,236.81 × 6,460.26
  4. Step 4: Simplify right side
    11,765.49x = 104,894,014.17
  5. Step 5: Solve for x
    x = 104,894,014.17/11,765.49
  6. Step 6: Final answer
    x = 8,915.40

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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.