Home / 10,716.81-14,787.42-6,735.09

Finding the Fourth Proportional to 10,716.81, 14,787.42 and 6,735.09

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Solution

The fourth proportional to 10,716.81, 14,787.42 and 6,735.09 is: 9,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.81 : 14,787.42 = 6,735.09 : x
  2. Step 2: Convert to fraction form
    10,716.81/14,787.42 = 6,735.09/x
  3. Step 3: Cross multiply
    10,716.81x = 14,787.42 × 6,735.09
  4. Step 4: Simplify right side
    10,716.81x = 99,594,604.57
  5. Step 5: Solve for x
    x = 99,594,604.57/10,716.81
  6. Step 6: Final answer
    x = 9,293.31

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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.