Home / 6,787.38-9,360-5,294.76

Finding the Fourth Proportional to 6,787.38, 9,360 and 5,294.76

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Solution

The fourth proportional to 6,787.38, 9,360 and 5,294.76 is: 7,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.38 : 9,360 = 5,294.76 : x
  2. Step 2: Convert to fraction form
    6,787.38/9,360 = 5,294.76/x
  3. Step 3: Cross multiply
    6,787.38x = 9,360 × 5,294.76
  4. Step 4: Simplify right side
    6,787.38x = 49,558,953.60
  5. Step 5: Solve for x
    x = 49,558,953.60/6,787.38
  6. Step 6: Final answer
    x = 7,301.63

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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.