Home / 10,153.91-15,229.28-3,916.84

Finding the Fourth Proportional to 10,153.91, 15,229.28 and 3,916.84

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Solution

The fourth proportional to 10,153.91, 15,229.28 and 3,916.84 is: 5,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.91 : 15,229.28 = 3,916.84 : x
  2. Step 2: Convert to fraction form
    10,153.91/15,229.28 = 3,916.84/x
  3. Step 3: Cross multiply
    10,153.91x = 15,229.28 × 3,916.84
  4. Step 4: Simplify right side
    10,153.91x = 59,650,624.79
  5. Step 5: Solve for x
    x = 59,650,624.79/10,153.91
  6. Step 6: Final answer
    x = 5,874.65

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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.