Home / 8,176.98-12,269.91-6,331.71

Finding the Fourth Proportional to 8,176.98, 12,269.91 and 6,331.71

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Solution

The fourth proportional to 8,176.98, 12,269.91 and 6,331.71 is: 9,501.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.98 : 12,269.91 = 6,331.71 : x
  2. Step 2: Convert to fraction form
    8,176.98/12,269.91 = 6,331.71/x
  3. Step 3: Cross multiply
    8,176.98x = 12,269.91 × 6,331.71
  4. Step 4: Simplify right side
    8,176.98x = 77,689,511.85
  5. Step 5: Solve for x
    x = 77,689,511.85/8,176.98
  6. Step 6: Final answer
    x = 9,501.00

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1.5x scale

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.