Home / 8,500.13-11,730.90-4,774.85

Finding the Fourth Proportional to 8,500.13, 11,730.90 and 4,774.85

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Solution

The fourth proportional to 8,500.13, 11,730.90 and 4,774.85 is: 6,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.13 : 11,730.90 = 4,774.85 : x
  2. Step 2: Convert to fraction form
    8,500.13/11,730.90 = 4,774.85/x
  3. Step 3: Cross multiply
    8,500.13x = 11,730.90 × 4,774.85
  4. Step 4: Simplify right side
    8,500.13x = 56,013,229.21
  5. Step 5: Solve for x
    x = 56,013,229.21/8,500.13
  6. Step 6: Final answer
    x = 6,589.69

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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.