Home / 8,566.79-12,854.43-5,787.36

Finding the Fourth Proportional to 8,566.79, 12,854.43 and 5,787.36

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Solution

The fourth proportional to 8,566.79, 12,854.43 and 5,787.36 is: 8,683.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.79 : 12,854.43 = 5,787.36 : x
  2. Step 2: Convert to fraction form
    8,566.79/12,854.43 = 5,787.36/x
  3. Step 3: Cross multiply
    8,566.79x = 12,854.43 × 5,787.36
  4. Step 4: Simplify right side
    8,566.79x = 74,393,214.00
  5. Step 5: Solve for x
    x = 74,393,214.00/8,566.79
  6. Step 6: Final answer
    x = 8,683.91

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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.