Home / 10,535.38-15,790.47-4,685.38

Finding the Fourth Proportional to 10,535.38, 15,790.47 and 4,685.38

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Solution

The fourth proportional to 10,535.38, 15,790.47 and 4,685.38 is: 7,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.38 : 15,790.47 = 4,685.38 : x
  2. Step 2: Convert to fraction form
    10,535.38/15,790.47 = 4,685.38/x
  3. Step 3: Cross multiply
    10,535.38x = 15,790.47 × 4,685.38
  4. Step 4: Simplify right side
    10,535.38x = 73,984,352.33
  5. Step 5: Solve for x
    x = 73,984,352.33/10,535.38
  6. Step 6: Final answer
    x = 7,022.47

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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.