Home / 11,823.90-17,719.16-6,561.24

Finding the Fourth Proportional to 11,823.90, 17,719.16 and 6,561.24

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Solution

The fourth proportional to 11,823.90, 17,719.16 and 6,561.24 is: 9,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.90 : 17,719.16 = 6,561.24 : x
  2. Step 2: Convert to fraction form
    11,823.90/17,719.16 = 6,561.24/x
  3. Step 3: Cross multiply
    11,823.90x = 17,719.16 × 6,561.24
  4. Step 4: Simplify right side
    11,823.90x = 116,259,628.55
  5. Step 5: Solve for x
    x = 116,259,628.55/11,823.90
  6. Step 6: Final answer
    x = 9,832.60

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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.