Home / 10,211.62-15,314.19-3,284.50

Finding the Fourth Proportional to 10,211.62, 15,314.19 and 3,284.50

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Solution

The fourth proportional to 10,211.62, 15,314.19 and 3,284.50 is: 4,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.62 : 15,314.19 = 3,284.50 : x
  2. Step 2: Convert to fraction form
    10,211.62/15,314.19 = 3,284.50/x
  3. Step 3: Cross multiply
    10,211.62x = 15,314.19 × 3,284.50
  4. Step 4: Simplify right side
    10,211.62x = 50,299,457.06
  5. Step 5: Solve for x
    x = 50,299,457.06/10,211.62
  6. Step 6: Final answer
    x = 4,925.71

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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.