Home / 7,447.23-11,140.07-6,116.00

Finding the Fourth Proportional to 7,447.23, 11,140.07 and 6,116.00

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Solution

The fourth proportional to 7,447.23, 11,140.07 and 6,116.00 is: 9,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.23 : 11,140.07 = 6,116.00 : x
  2. Step 2: Convert to fraction form
    7,447.23/11,140.07 = 6,116.00/x
  3. Step 3: Cross multiply
    7,447.23x = 11,140.07 × 6,116.00
  4. Step 4: Simplify right side
    7,447.23x = 68,132,581.84
  5. Step 5: Solve for x
    x = 68,132,581.84/7,447.23
  6. Step 6: Final answer
    x = 9,148.71

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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.