Home / 7,455.88-11,165.82-3,547.72

Finding the Fourth Proportional to 7,455.88, 11,165.82 and 3,547.72

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Solution

The fourth proportional to 7,455.88, 11,165.82 and 3,547.72 is: 5,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.88 : 11,165.82 = 3,547.72 : x
  2. Step 2: Convert to fraction form
    7,455.88/11,165.82 = 3,547.72/x
  3. Step 3: Cross multiply
    7,455.88x = 11,165.82 × 3,547.72
  4. Step 4: Simplify right side
    7,455.88x = 39,613,202.93
  5. Step 5: Solve for x
    x = 39,613,202.93/7,455.88
  6. Step 6: Final answer
    x = 5,313.02

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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.