Home / 6,940.18-9,573.55-4,285.70

Finding the Fourth Proportional to 6,940.18, 9,573.55 and 4,285.70

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Solution

The fourth proportional to 6,940.18, 9,573.55 and 4,285.70 is: 5,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.18 : 9,573.55 = 4,285.70 : x
  2. Step 2: Convert to fraction form
    6,940.18/9,573.55 = 4,285.70/x
  3. Step 3: Cross multiply
    6,940.18x = 9,573.55 × 4,285.70
  4. Step 4: Simplify right side
    6,940.18x = 41,029,363.24
  5. Step 5: Solve for x
    x = 41,029,363.24/6,940.18
  6. Step 6: Final answer
    x = 5,911.86

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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.