Home / 11,245.13-15,518.28-6,277.13

Finding the Fourth Proportional to 11,245.13, 15,518.28 and 6,277.13

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Solution

The fourth proportional to 11,245.13, 15,518.28 and 6,277.13 is: 8,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.13 : 15,518.28 = 6,277.13 : x
  2. Step 2: Convert to fraction form
    11,245.13/15,518.28 = 6,277.13/x
  3. Step 3: Cross multiply
    11,245.13x = 15,518.28 × 6,277.13
  4. Step 4: Simplify right side
    11,245.13x = 97,410,260.94
  5. Step 5: Solve for x
    x = 97,410,260.94/11,245.13
  6. Step 6: Final answer
    x = 8,662.44

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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.