Home / 8,541.74-12,811.17-2,697.50

Finding the Fourth Proportional to 8,541.74, 12,811.17 and 2,697.50

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Solution

The fourth proportional to 8,541.74, 12,811.17 and 2,697.50 is: 4,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.74 : 12,811.17 = 2,697.50 : x
  2. Step 2: Convert to fraction form
    8,541.74/12,811.17 = 2,697.50/x
  3. Step 3: Cross multiply
    8,541.74x = 12,811.17 × 2,697.50
  4. Step 4: Simplify right side
    8,541.74x = 34,558,131.08
  5. Step 5: Solve for x
    x = 34,558,131.08/8,541.74
  6. Step 6: Final answer
    x = 4,045.80

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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.