Home / 7,787.93-11,674.73-3,106.82

Finding the Fourth Proportional to 7,787.93, 11,674.73 and 3,106.82

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Solution

The fourth proportional to 7,787.93, 11,674.73 and 3,106.82 is: 4,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.93 : 11,674.73 = 3,106.82 : x
  2. Step 2: Convert to fraction form
    7,787.93/11,674.73 = 3,106.82/x
  3. Step 3: Cross multiply
    7,787.93x = 11,674.73 × 3,106.82
  4. Step 4: Simplify right side
    7,787.93x = 36,271,210.75
  5. Step 5: Solve for x
    x = 36,271,210.75/7,787.93
  6. Step 6: Final answer
    x = 4,657.37

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1.5x scale

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.