Home / 9,961.02-13,740.47-6,228.54

Finding the Fourth Proportional to 9,961.02, 13,740.47 and 6,228.54

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Solution

The fourth proportional to 9,961.02, 13,740.47 and 6,228.54 is: 8,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.02 : 13,740.47 = 6,228.54 : x
  2. Step 2: Convert to fraction form
    9,961.02/13,740.47 = 6,228.54/x
  3. Step 3: Cross multiply
    9,961.02x = 13,740.47 × 6,228.54
  4. Step 4: Simplify right side
    9,961.02x = 85,583,035.87
  5. Step 5: Solve for x
    x = 85,583,035.87/9,961.02
  6. Step 6: Final answer
    x = 8,591.79

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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.