Home / 8,344.19-11,513.67-4,986.54

Finding the Fourth Proportional to 8,344.19, 11,513.67 and 4,986.54

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Solution

The fourth proportional to 8,344.19, 11,513.67 and 4,986.54 is: 6,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.19 : 11,513.67 = 4,986.54 : x
  2. Step 2: Convert to fraction form
    8,344.19/11,513.67 = 4,986.54/x
  3. Step 3: Cross multiply
    8,344.19x = 11,513.67 × 4,986.54
  4. Step 4: Simplify right side
    8,344.19x = 57,413,376.00
  5. Step 5: Solve for x
    x = 57,413,376.00/8,344.19
  6. Step 6: Final answer
    x = 6,880.64

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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.