Home / 7,565.18-11,346.15-3,181.46

Finding the Fourth Proportional to 7,565.18, 11,346.15 and 3,181.46

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Solution

The fourth proportional to 7,565.18, 11,346.15 and 3,181.46 is: 4,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.18 : 11,346.15 = 3,181.46 : x
  2. Step 2: Convert to fraction form
    7,565.18/11,346.15 = 3,181.46/x
  3. Step 3: Cross multiply
    7,565.18x = 11,346.15 × 3,181.46
  4. Step 4: Simplify right side
    7,565.18x = 36,097,322.38
  5. Step 5: Solve for x
    x = 36,097,322.38/7,565.18
  6. Step 6: Final answer
    x = 4,771.51

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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.