Home / 11,765.95-16,236.45-6,460.85

Finding the Fourth Proportional to 11,765.95, 16,236.45 and 6,460.85

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Solution

The fourth proportional to 11,765.95, 16,236.45 and 6,460.85 is: 8,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.95 : 16,236.45 = 6,460.85 : x
  2. Step 2: Convert to fraction form
    11,765.95/16,236.45 = 6,460.85/x
  3. Step 3: Cross multiply
    11,765.95x = 16,236.45 × 6,460.85
  4. Step 4: Simplify right side
    11,765.95x = 104,901,308.57
  5. Step 5: Solve for x
    x = 104,901,308.57/11,765.95
  6. Step 6: Final answer
    x = 8,915.67

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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.