Home / 10,787.32-14,885.18-6,806.92

Finding the Fourth Proportional to 10,787.32, 14,885.18 and 6,806.92

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Solution

The fourth proportional to 10,787.32, 14,885.18 and 6,806.92 is: 9,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.32 : 14,885.18 = 6,806.92 : x
  2. Step 2: Convert to fraction form
    10,787.32/14,885.18 = 6,806.92/x
  3. Step 3: Cross multiply
    10,787.32x = 14,885.18 × 6,806.92
  4. Step 4: Simplify right side
    10,787.32x = 101,322,229.45
  5. Step 5: Solve for x
    x = 101,322,229.45/10,787.32
  6. Step 6: Final answer
    x = 9,392.72

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Double scale
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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.