Home / 10,618.32-14,653.62-6,367.92

Finding the Fourth Proportional to 10,618.32, 14,653.62 and 6,367.92

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Solution

The fourth proportional to 10,618.32, 14,653.62 and 6,367.92 is: 8,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.32 : 14,653.62 = 6,367.92 : x
  2. Step 2: Convert to fraction form
    10,618.32/14,653.62 = 6,367.92/x
  3. Step 3: Cross multiply
    10,618.32x = 14,653.62 × 6,367.92
  4. Step 4: Simplify right side
    10,618.32x = 93,313,079.87
  5. Step 5: Solve for x
    x = 93,313,079.87/10,618.32
  6. Step 6: Final answer
    x = 8,787.93

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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.