Home / 9,883.38-13,639.20-5,904.84

Finding the Fourth Proportional to 9,883.38, 13,639.20 and 5,904.84

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Solution

The fourth proportional to 9,883.38, 13,639.20 and 5,904.84 is: 8,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.38 : 13,639.20 = 5,904.84 : x
  2. Step 2: Convert to fraction form
    9,883.38/13,639.20 = 5,904.84/x
  3. Step 3: Cross multiply
    9,883.38x = 13,639.20 × 5,904.84
  4. Step 4: Simplify right side
    9,883.38x = 80,537,293.73
  5. Step 5: Solve for x
    x = 80,537,293.73/9,883.38
  6. Step 6: Final answer
    x = 8,148.76

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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.