Home / 10,944.76-15,104.88-6,469.96

Finding the Fourth Proportional to 10,944.76, 15,104.88 and 6,469.96

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Solution

The fourth proportional to 10,944.76, 15,104.88 and 6,469.96 is: 8,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.76 : 15,104.88 = 6,469.96 : x
  2. Step 2: Convert to fraction form
    10,944.76/15,104.88 = 6,469.96/x
  3. Step 3: Cross multiply
    10,944.76x = 15,104.88 × 6,469.96
  4. Step 4: Simplify right side
    10,944.76x = 97,727,969.40
  5. Step 5: Solve for x
    x = 97,727,969.40/10,944.76
  6. Step 6: Final answer
    x = 8,929.20

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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.