Home / 11,565.30-17,346.54-4,986.08

Finding the Fourth Proportional to 11,565.30, 17,346.54 and 4,986.08

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Solution

The fourth proportional to 11,565.30, 17,346.54 and 4,986.08 is: 7,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.30 : 17,346.54 = 4,986.08 : x
  2. Step 2: Convert to fraction form
    11,565.30/17,346.54 = 4,986.08/x
  3. Step 3: Cross multiply
    11,565.30x = 17,346.54 × 4,986.08
  4. Step 4: Simplify right side
    11,565.30x = 86,491,236.16
  5. Step 5: Solve for x
    x = 86,491,236.16/11,565.30
  6. Step 6: Final answer
    x = 7,478.51

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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.