Home / 7,449.58-11,168.96-3,498.81

Finding the Fourth Proportional to 7,449.58, 11,168.96 and 3,498.81

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Solution

The fourth proportional to 7,449.58, 11,168.96 and 3,498.81 is: 5,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.58 : 11,168.96 = 3,498.81 : x
  2. Step 2: Convert to fraction form
    7,449.58/11,168.96 = 3,498.81/x
  3. Step 3: Cross multiply
    7,449.58x = 11,168.96 × 3,498.81
  4. Step 4: Simplify right side
    7,449.58x = 39,078,068.94
  5. Step 5: Solve for x
    x = 39,078,068.94/7,449.58
  6. Step 6: Final answer
    x = 5,245.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.