Home / 6,931.32-9,565.11-3,787.44

Finding the Fourth Proportional to 6,931.32, 9,565.11 and 3,787.44

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Solution

The fourth proportional to 6,931.32, 9,565.11 and 3,787.44 is: 5,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.32 : 9,565.11 = 3,787.44 : x
  2. Step 2: Convert to fraction form
    6,931.32/9,565.11 = 3,787.44/x
  3. Step 3: Cross multiply
    6,931.32x = 9,565.11 × 3,787.44
  4. Step 4: Simplify right side
    6,931.32x = 36,227,280.22
  5. Step 5: Solve for x
    x = 36,227,280.22/6,931.32
  6. Step 6: Final answer
    x = 5,226.61

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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.