Home / 10,954.50-16,431.75-2,746.50

Finding the Fourth Proportional to 10,954.50, 16,431.75 and 2,746.50

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Solution

The fourth proportional to 10,954.50, 16,431.75 and 2,746.50 is: 4,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.50 : 16,431.75 = 2,746.50 : x
  2. Step 2: Convert to fraction form
    10,954.50/16,431.75 = 2,746.50/x
  3. Step 3: Cross multiply
    10,954.50x = 16,431.75 × 2,746.50
  4. Step 4: Simplify right side
    10,954.50x = 45,129,801.38
  5. Step 5: Solve for x
    x = 45,129,801.38/10,954.50
  6. Step 6: Final answer
    x = 4,119.75

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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.