Home / 9,861.28-14,791.54-2,465.74

Finding the Fourth Proportional to 9,861.28, 14,791.54 and 2,465.74

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Solution

The fourth proportional to 9,861.28, 14,791.54 and 2,465.74 is: 3,698.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.28 : 14,791.54 = 2,465.74 : x
  2. Step 2: Convert to fraction form
    9,861.28/14,791.54 = 2,465.74/x
  3. Step 3: Cross multiply
    9,861.28x = 14,791.54 × 2,465.74
  4. Step 4: Simplify right side
    9,861.28x = 36,472,091.84
  5. Step 5: Solve for x
    x = 36,472,091.84/9,861.28
  6. Step 6: Final answer
    x = 3,698.51

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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.