Home / 9,845.54-13,583.56-6,310.80

Finding the Fourth Proportional to 9,845.54, 13,583.56 and 6,310.80

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Solution

The fourth proportional to 9,845.54, 13,583.56 and 6,310.80 is: 8,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.54 : 13,583.56 = 6,310.80 : x
  2. Step 2: Convert to fraction form
    9,845.54/13,583.56 = 6,310.80/x
  3. Step 3: Cross multiply
    9,845.54x = 13,583.56 × 6,310.80
  4. Step 4: Simplify right side
    9,845.54x = 85,723,130.45
  5. Step 5: Solve for x
    x = 85,723,130.45/9,845.54
  6. Step 6: Final answer
    x = 8,706.80

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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.