Home / 6,931.98-9,566.10-3,787.97

Finding the Fourth Proportional to 6,931.98, 9,566.10 and 3,787.97

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Solution

The fourth proportional to 6,931.98, 9,566.10 and 3,787.97 is: 5,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.98 : 9,566.10 = 3,787.97 : x
  2. Step 2: Convert to fraction form
    6,931.98/9,566.10 = 3,787.97/x
  3. Step 3: Cross multiply
    6,931.98x = 9,566.10 × 3,787.97
  4. Step 4: Simplify right side
    6,931.98x = 36,236,051.99
  5. Step 5: Solve for x
    x = 36,236,051.99/6,931.98
  6. Step 6: Final answer
    x = 5,227.37

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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.