Home / 9,947.24-14,918.78-3,020.20

Finding the Fourth Proportional to 9,947.24, 14,918.78 and 3,020.20

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Solution

The fourth proportional to 9,947.24, 14,918.78 and 3,020.20 is: 4,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.24 : 14,918.78 = 3,020.20 : x
  2. Step 2: Convert to fraction form
    9,947.24/14,918.78 = 3,020.20/x
  3. Step 3: Cross multiply
    9,947.24x = 14,918.78 × 3,020.20
  4. Step 4: Simplify right side
    9,947.24x = 45,057,699.36
  5. Step 5: Solve for x
    x = 45,057,699.36/9,947.24
  6. Step 6: Final answer
    x = 4,529.67

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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.