Home / 7,581.22-11,373.04-3,199.32

Finding the Fourth Proportional to 7,581.22, 11,373.04 and 3,199.32

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Solution

The fourth proportional to 7,581.22, 11,373.04 and 3,199.32 is: 4,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.22 : 11,373.04 = 3,199.32 : x
  2. Step 2: Convert to fraction form
    7,581.22/11,373.04 = 3,199.32/x
  3. Step 3: Cross multiply
    7,581.22x = 11,373.04 × 3,199.32
  4. Step 4: Simplify right side
    7,581.22x = 36,385,980.34
  5. Step 5: Solve for x
    x = 36,385,980.34/7,581.22
  6. Step 6: Final answer
    x = 4,799.49

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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.