Home / 8,021.85-11,070.18-4,484.99

Finding the Fourth Proportional to 8,021.85, 11,070.18 and 4,484.99

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Solution

The fourth proportional to 8,021.85, 11,070.18 and 4,484.99 is: 6,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.85 : 11,070.18 = 4,484.99 : x
  2. Step 2: Convert to fraction form
    8,021.85/11,070.18 = 4,484.99/x
  3. Step 3: Cross multiply
    8,021.85x = 11,070.18 × 4,484.99
  4. Step 4: Simplify right side
    8,021.85x = 49,649,591.25
  5. Step 5: Solve for x
    x = 49,649,591.25/8,021.85
  6. Step 6: Final answer
    x = 6,189.29

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1.5x scale

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.