Home / 8,569.26-12,840.66-5,785.02

Finding the Fourth Proportional to 8,569.26, 12,840.66 and 5,785.02

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Solution

The fourth proportional to 8,569.26, 12,840.66 and 5,785.02 is: 8,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.26 : 12,840.66 = 5,785.02 : x
  2. Step 2: Convert to fraction form
    8,569.26/12,840.66 = 5,785.02/x
  3. Step 3: Cross multiply
    8,569.26x = 12,840.66 × 5,785.02
  4. Step 4: Simplify right side
    8,569.26x = 74,283,474.91
  5. Step 5: Solve for x
    x = 74,283,474.91/8,569.26
  6. Step 6: Final answer
    x = 8,668.60

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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.