Home / 10,083.81-15,124.10-3,158.31

Finding the Fourth Proportional to 10,083.81, 15,124.10 and 3,158.31

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Solution

The fourth proportional to 10,083.81, 15,124.10 and 3,158.31 is: 4,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.81 : 15,124.10 = 3,158.31 : x
  2. Step 2: Convert to fraction form
    10,083.81/15,124.10 = 3,158.31/x
  3. Step 3: Cross multiply
    10,083.81x = 15,124.10 × 3,158.31
  4. Step 4: Simplify right side
    10,083.81x = 47,766,580.48
  5. Step 5: Solve for x
    x = 47,766,580.48/10,083.81
  6. Step 6: Final answer
    x = 4,736.96

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1.5x scale

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.