Home / 10,914.28-16,376.28-5,718.94

Finding the Fourth Proportional to 10,914.28, 16,376.28 and 5,718.94

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Solution

The fourth proportional to 10,914.28, 16,376.28 and 5,718.94 is: 8,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.28 : 16,376.28 = 5,718.94 : x
  2. Step 2: Convert to fraction form
    10,914.28/16,376.28 = 5,718.94/x
  3. Step 3: Cross multiply
    10,914.28x = 16,376.28 × 5,718.94
  4. Step 4: Simplify right side
    10,914.28x = 93,654,900.36
  5. Step 5: Solve for x
    x = 93,654,900.36/10,914.28
  6. Step 6: Final answer
    x = 8,580.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.