Home / 6,787.53-9,362.19-5,528.64

Finding the Fourth Proportional to 6,787.53, 9,362.19 and 5,528.64

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Solution

The fourth proportional to 6,787.53, 9,362.19 and 5,528.64 is: 7,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.53 : 9,362.19 = 5,528.64 : x
  2. Step 2: Convert to fraction form
    6,787.53/9,362.19 = 5,528.64/x
  3. Step 3: Cross multiply
    6,787.53x = 9,362.19 × 5,528.64
  4. Step 4: Simplify right side
    6,787.53x = 51,760,178.12
  5. Step 5: Solve for x
    x = 51,760,178.12/6,787.53
  6. Step 6: Final answer
    x = 7,625.78

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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.