Home / 7,475.18-11,207.28-3,582.32

Finding the Fourth Proportional to 7,475.18, 11,207.28 and 3,582.32

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Solution

The fourth proportional to 7,475.18, 11,207.28 and 3,582.32 is: 5,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.18 : 11,207.28 = 3,582.32 : x
  2. Step 2: Convert to fraction form
    7,475.18/11,207.28 = 3,582.32/x
  3. Step 3: Cross multiply
    7,475.18x = 11,207.28 × 3,582.32
  4. Step 4: Simplify right side
    7,475.18x = 40,148,063.29
  5. Step 5: Solve for x
    x = 40,148,063.29/7,475.18
  6. Step 6: Final answer
    x = 5,370.85

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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.