Home / 9,840.43-14,741.20-7,378.03

Finding the Fourth Proportional to 9,840.43, 14,741.20 and 7,378.03

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Solution

The fourth proportional to 9,840.43, 14,741.20 and 7,378.03 is: 11,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.43 : 14,741.20 = 7,378.03 : x
  2. Step 2: Convert to fraction form
    9,840.43/14,741.20 = 7,378.03/x
  3. Step 3: Cross multiply
    9,840.43x = 14,741.20 × 7,378.03
  4. Step 4: Simplify right side
    9,840.43x = 108,761,015.84
  5. Step 5: Solve for x
    x = 108,761,015.84/9,840.43
  6. Step 6: Final answer
    x = 11,052.47

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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.