Home / 11,787.76-16,260.33-7,069.30

Finding the Fourth Proportional to 11,787.76, 16,260.33 and 7,069.30

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Solution

The fourth proportional to 11,787.76, 16,260.33 and 7,069.30 is: 9,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.76 : 16,260.33 = 7,069.30 : x
  2. Step 2: Convert to fraction form
    11,787.76/16,260.33 = 7,069.30/x
  3. Step 3: Cross multiply
    11,787.76x = 16,260.33 × 7,069.30
  4. Step 4: Simplify right side
    11,787.76x = 114,949,150.87
  5. Step 5: Solve for x
    x = 114,949,150.87/11,787.76
  6. Step 6: Final answer
    x = 9,751.57

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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.