Home / 7,176.22-9,903.30-4,343.62

Finding the Fourth Proportional to 7,176.22, 9,903.30 and 4,343.62

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Solution

The fourth proportional to 7,176.22, 9,903.30 and 4,343.62 is: 5,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.22 : 9,903.30 = 4,343.62 : x
  2. Step 2: Convert to fraction form
    7,176.22/9,903.30 = 4,343.62/x
  3. Step 3: Cross multiply
    7,176.22x = 9,903.30 × 4,343.62
  4. Step 4: Simplify right side
    7,176.22x = 43,016,171.95
  5. Step 5: Solve for x
    x = 43,016,171.95/7,176.22
  6. Step 6: Final answer
    x = 5,994.27

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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.