Home / 10,130.64-15,198-3,555.97

Finding the Fourth Proportional to 10,130.64, 15,198 and 3,555.97

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Solution

The fourth proportional to 10,130.64, 15,198 and 3,555.97 is: 5,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.64 : 15,198 = 3,555.97 : x
  2. Step 2: Convert to fraction form
    10,130.64/15,198 = 3,555.97/x
  3. Step 3: Cross multiply
    10,130.64x = 15,198 × 3,555.97
  4. Step 4: Simplify right side
    10,130.64x = 54,043,632.06
  5. Step 5: Solve for x
    x = 54,043,632.06/10,130.64
  6. Step 6: Final answer
    x = 5,334.67

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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.