Home / 10,038.36-15,056.82-3,112.68

Finding the Fourth Proportional to 10,038.36, 15,056.82 and 3,112.68

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Solution

The fourth proportional to 10,038.36, 15,056.82 and 3,112.68 is: 4,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.36 : 15,056.82 = 3,112.68 : x
  2. Step 2: Convert to fraction form
    10,038.36/15,056.82 = 3,112.68/x
  3. Step 3: Cross multiply
    10,038.36x = 15,056.82 × 3,112.68
  4. Step 4: Simplify right side
    10,038.36x = 46,867,062.48
  5. Step 5: Solve for x
    x = 46,867,062.48/10,038.36
  6. Step 6: Final answer
    x = 4,668.80

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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.