Home / 6,518.91-9,711.60-6,205.44

Finding the Fourth Proportional to 6,518.91, 9,711.60 and 6,205.44

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Solution

The fourth proportional to 6,518.91, 9,711.60 and 6,205.44 is: 9,244.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.91 : 9,711.60 = 6,205.44 : x
  2. Step 2: Convert to fraction form
    6,518.91/9,711.60 = 6,205.44/x
  3. Step 3: Cross multiply
    6,518.91x = 9,711.60 × 6,205.44
  4. Step 4: Simplify right side
    6,518.91x = 60,264,751.10
  5. Step 5: Solve for x
    x = 60,264,751.10/6,518.91
  6. Step 6: Final answer
    x = 9,244.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.