Home / 10,787.10-16,182.95-6,109.31

Finding the Fourth Proportional to 10,787.10, 16,182.95 and 6,109.31

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Solution

The fourth proportional to 10,787.10, 16,182.95 and 6,109.31 is: 9,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.10 : 16,182.95 = 6,109.31 : x
  2. Step 2: Convert to fraction form
    10,787.10/16,182.95 = 6,109.31/x
  3. Step 3: Cross multiply
    10,787.10x = 16,182.95 × 6,109.31
  4. Step 4: Simplify right side
    10,787.10x = 98,866,658.26
  5. Step 5: Solve for x
    x = 98,866,658.26/10,787.10
  6. Step 6: Final answer
    x = 9,165.27

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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.