Home / 10,208.40-15,303.12-3,633.36

Finding the Fourth Proportional to 10,208.40, 15,303.12 and 3,633.36

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Solution

The fourth proportional to 10,208.40, 15,303.12 and 3,633.36 is: 5,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.40 : 15,303.12 = 3,633.36 : x
  2. Step 2: Convert to fraction form
    10,208.40/15,303.12 = 3,633.36/x
  3. Step 3: Cross multiply
    10,208.40x = 15,303.12 × 3,633.36
  4. Step 4: Simplify right side
    10,208.40x = 55,601,744.08
  5. Step 5: Solve for x
    x = 55,601,744.08/10,208.40
  6. Step 6: Final answer
    x = 5,446.67

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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.