Home / 11,226.60-15,484.48-7,245.72

Finding the Fourth Proportional to 11,226.60, 15,484.48 and 7,245.72

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Solution

The fourth proportional to 11,226.60, 15,484.48 and 7,245.72 is: 9,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.60 : 15,484.48 = 7,245.72 : x
  2. Step 2: Convert to fraction form
    11,226.60/15,484.48 = 7,245.72/x
  3. Step 3: Cross multiply
    11,226.60x = 15,484.48 × 7,245.72
  4. Step 4: Simplify right side
    11,226.60x = 112,196,206.43
  5. Step 5: Solve for x
    x = 112,196,206.43/11,226.60
  6. Step 6: Final answer
    x = 9,993.78

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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.