Home / 8,748.86-12,078.34-6,063.98

Finding the Fourth Proportional to 8,748.86, 12,078.34 and 6,063.98

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Solution

The fourth proportional to 8,748.86, 12,078.34 and 6,063.98 is: 8,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.86 : 12,078.34 = 6,063.98 : x
  2. Step 2: Convert to fraction form
    8,748.86/12,078.34 = 6,063.98/x
  3. Step 3: Cross multiply
    8,748.86x = 12,078.34 × 6,063.98
  4. Step 4: Simplify right side
    8,748.86x = 73,242,812.19
  5. Step 5: Solve for x
    x = 73,242,812.19/8,748.86
  6. Step 6: Final answer
    x = 8,371.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.