Home / 8,741.74-13,098.02-6,140.02

Finding the Fourth Proportional to 8,741.74, 13,098.02 and 6,140.02

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Solution

The fourth proportional to 8,741.74, 13,098.02 and 6,140.02 is: 9,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.74 : 13,098.02 = 6,140.02 : x
  2. Step 2: Convert to fraction form
    8,741.74/13,098.02 = 6,140.02/x
  3. Step 3: Cross multiply
    8,741.74x = 13,098.02 × 6,140.02
  4. Step 4: Simplify right side
    8,741.74x = 80,422,087.37
  5. Step 5: Solve for x
    x = 80,422,087.37/8,741.74
  6. Step 6: Final answer
    x = 9,199.78

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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.