Home / 8,331.67-12,483.66-5,861.30

Finding the Fourth Proportional to 8,331.67, 12,483.66 and 5,861.30

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Solution

The fourth proportional to 8,331.67, 12,483.66 and 5,861.30 is: 8,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.67 : 12,483.66 = 5,861.30 : x
  2. Step 2: Convert to fraction form
    8,331.67/12,483.66 = 5,861.30/x
  3. Step 3: Cross multiply
    8,331.67x = 12,483.66 × 5,861.30
  4. Step 4: Simplify right side
    8,331.67x = 73,170,402.95
  5. Step 5: Solve for x
    x = 73,170,402.95/8,331.67
  6. Step 6: Final answer
    x = 8,782.21

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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.