Home / 10,231.38-15,342.57-4,688.19

Finding the Fourth Proportional to 10,231.38, 15,342.57 and 4,688.19

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Solution

The fourth proportional to 10,231.38, 15,342.57 and 4,688.19 is: 7,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.38 : 15,342.57 = 4,688.19 : x
  2. Step 2: Convert to fraction form
    10,231.38/15,342.57 = 4,688.19/x
  3. Step 3: Cross multiply
    10,231.38x = 15,342.57 × 4,688.19
  4. Step 4: Simplify right side
    10,231.38x = 71,928,883.25
  5. Step 5: Solve for x
    x = 71,928,883.25/10,231.38
  6. Step 6: Final answer
    x = 7,030.22

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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.