Home / 10,533.38-15,802.66-3,137.81

Finding the Fourth Proportional to 10,533.38, 15,802.66 and 3,137.81

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Solution

The fourth proportional to 10,533.38, 15,802.66 and 3,137.81 is: 4,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.38 : 15,802.66 = 3,137.81 : x
  2. Step 2: Convert to fraction form
    10,533.38/15,802.66 = 3,137.81/x
  3. Step 3: Cross multiply
    10,533.38x = 15,802.66 × 3,137.81
  4. Step 4: Simplify right side
    10,533.38x = 49,585,669.48
  5. Step 5: Solve for x
    x = 49,585,669.48/10,533.38
  6. Step 6: Final answer
    x = 4,707.48

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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.