Home / 11,904.40-17,842.74-9,579.16

Finding the Fourth Proportional to 11,904.40, 17,842.74 and 9,579.16

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Solution

The fourth proportional to 11,904.40, 17,842.74 and 9,579.16 is: 14,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.40 : 17,842.74 = 9,579.16 : x
  2. Step 2: Convert to fraction form
    11,904.40/17,842.74 = 9,579.16/x
  3. Step 3: Cross multiply
    11,904.40x = 17,842.74 × 9,579.16
  4. Step 4: Simplify right side
    11,904.40x = 170,918,461.30
  5. Step 5: Solve for x
    x = 170,918,461.30/11,904.40
  6. Step 6: Final answer
    x = 14,357.59

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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.