Home / 10,412.40-15,618.84-3,748.56

Finding the Fourth Proportional to 10,412.40, 15,618.84 and 3,748.56

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Solution

The fourth proportional to 10,412.40, 15,618.84 and 3,748.56 is: 5,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.40 : 15,618.84 = 3,748.56 : x
  2. Step 2: Convert to fraction form
    10,412.40/15,618.84 = 3,748.56/x
  3. Step 3: Cross multiply
    10,412.40x = 15,618.84 × 3,748.56
  4. Step 4: Simplify right side
    10,412.40x = 58,548,158.87
  5. Step 5: Solve for x
    x = 58,548,158.87/10,412.40
  6. Step 6: Final answer
    x = 5,622.93

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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.