Home / 6,516.26-8,986.62-5,116.58

Finding the Fourth Proportional to 6,516.26, 8,986.62 and 5,116.58

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Solution

The fourth proportional to 6,516.26, 8,986.62 and 5,116.58 is: 7,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.26 : 8,986.62 = 5,116.58 : x
  2. Step 2: Convert to fraction form
    6,516.26/8,986.62 = 5,116.58/x
  3. Step 3: Cross multiply
    6,516.26x = 8,986.62 × 5,116.58
  4. Step 4: Simplify right side
    6,516.26x = 45,980,760.16
  5. Step 5: Solve for x
    x = 45,980,760.16/6,516.26
  6. Step 6: Final answer
    x = 7,056.31

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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.