Home / 11,765.66-16,236.72-6,460.70

Finding the Fourth Proportional to 11,765.66, 16,236.72 and 6,460.70

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Solution

The fourth proportional to 11,765.66, 16,236.72 and 6,460.70 is: 8,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.66 : 16,236.72 = 6,460.70 : x
  2. Step 2: Convert to fraction form
    11,765.66/16,236.72 = 6,460.70/x
  3. Step 3: Cross multiply
    11,765.66x = 16,236.72 × 6,460.70
  4. Step 4: Simplify right side
    11,765.66x = 104,900,495.72
  5. Step 5: Solve for x
    x = 104,900,495.72/11,765.66
  6. Step 6: Final answer
    x = 8,915.82

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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.