Home / 10,838.28-16,258.02-3,442.20

Finding the Fourth Proportional to 10,838.28, 16,258.02 and 3,442.20

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Solution

The fourth proportional to 10,838.28, 16,258.02 and 3,442.20 is: 5,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.28 : 16,258.02 = 3,442.20 : x
  2. Step 2: Convert to fraction form
    10,838.28/16,258.02 = 3,442.20/x
  3. Step 3: Cross multiply
    10,838.28x = 16,258.02 × 3,442.20
  4. Step 4: Simplify right side
    10,838.28x = 55,963,356.44
  5. Step 5: Solve for x
    x = 55,963,356.44/10,838.28
  6. Step 6: Final answer
    x = 5,163.49

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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.