Home / 9,140.27-13,708.68-4,455.57

Finding the Fourth Proportional to 9,140.27, 13,708.68 and 4,455.57

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Solution

The fourth proportional to 9,140.27, 13,708.68 and 4,455.57 is: 6,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.27 : 13,708.68 = 4,455.57 : x
  2. Step 2: Convert to fraction form
    9,140.27/13,708.68 = 4,455.57/x
  3. Step 3: Cross multiply
    9,140.27x = 13,708.68 × 4,455.57
  4. Step 4: Simplify right side
    9,140.27x = 61,079,979.49
  5. Step 5: Solve for x
    x = 61,079,979.49/9,140.27
  6. Step 6: Final answer
    x = 6,682.51

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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.