Home / 10,078.83-15,116.85-2,683.89

Finding the Fourth Proportional to 10,078.83, 15,116.85 and 2,683.89

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Solution

The fourth proportional to 10,078.83, 15,116.85 and 2,683.89 is: 4,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.83 : 15,116.85 = 2,683.89 : x
  2. Step 2: Convert to fraction form
    10,078.83/15,116.85 = 2,683.89/x
  3. Step 3: Cross multiply
    10,078.83x = 15,116.85 × 2,683.89
  4. Step 4: Simplify right side
    10,078.83x = 40,571,962.55
  5. Step 5: Solve for x
    x = 40,571,962.55/10,078.83
  6. Step 6: Final answer
    x = 4,025.46

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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.