Home / 10,078.38-15,116.13-2,683.49

Finding the Fourth Proportional to 10,078.38, 15,116.13 and 2,683.49

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Solution

The fourth proportional to 10,078.38, 15,116.13 and 2,683.49 is: 4,024.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.38 : 15,116.13 = 2,683.49 : x
  2. Step 2: Convert to fraction form
    10,078.38/15,116.13 = 2,683.49/x
  3. Step 3: Cross multiply
    10,078.38x = 15,116.13 × 2,683.49
  4. Step 4: Simplify right side
    10,078.38x = 40,563,908.11
  5. Step 5: Solve for x
    x = 40,563,908.11/10,078.38
  6. Step 6: Final answer
    x = 4,024.84

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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.