Home / 10,211.74-15,313.83-3,636.16

Finding the Fourth Proportional to 10,211.74, 15,313.83 and 3,636.16

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Solution

The fourth proportional to 10,211.74, 15,313.83 and 3,636.16 is: 5,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.74 : 15,313.83 = 3,636.16 : x
  2. Step 2: Convert to fraction form
    10,211.74/15,313.83 = 3,636.16/x
  3. Step 3: Cross multiply
    10,211.74x = 15,313.83 × 3,636.16
  4. Step 4: Simplify right side
    10,211.74x = 55,683,536.09
  5. Step 5: Solve for x
    x = 55,683,536.09/10,211.74
  6. Step 6: Final answer
    x = 5,452.89

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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.