Home / 9,699.28-14,548.86-2,773.78

Finding the Fourth Proportional to 9,699.28, 14,548.86 and 2,773.78

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Solution

The fourth proportional to 9,699.28, 14,548.86 and 2,773.78 is: 4,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.28 : 14,548.86 = 2,773.78 : x
  2. Step 2: Convert to fraction form
    9,699.28/14,548.86 = 2,773.78/x
  3. Step 3: Cross multiply
    9,699.28x = 14,548.86 × 2,773.78
  4. Step 4: Simplify right side
    9,699.28x = 40,355,336.89
  5. Step 5: Solve for x
    x = 40,355,336.89/9,699.28
  6. Step 6: Final answer
    x = 4,160.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.