Home / 10,531.19-15,796.73-4,289.81

Finding the Fourth Proportional to 10,531.19, 15,796.73 and 4,289.81

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Solution

The fourth proportional to 10,531.19, 15,796.73 and 4,289.81 is: 6,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.19 : 15,796.73 = 4,289.81 : x
  2. Step 2: Convert to fraction form
    10,531.19/15,796.73 = 4,289.81/x
  3. Step 3: Cross multiply
    10,531.19x = 15,796.73 × 4,289.81
  4. Step 4: Simplify right side
    10,531.19x = 67,764,902.06
  5. Step 5: Solve for x
    x = 67,764,902.06/10,531.19
  6. Step 6: Final answer
    x = 6,434.69

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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.