Home / 10,851.16-16,280.46-3,456.36

Finding the Fourth Proportional to 10,851.16, 16,280.46 and 3,456.36

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Solution

The fourth proportional to 10,851.16, 16,280.46 and 3,456.36 is: 5,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.16 : 16,280.46 = 3,456.36 : x
  2. Step 2: Convert to fraction form
    10,851.16/16,280.46 = 3,456.36/x
  3. Step 3: Cross multiply
    10,851.16x = 16,280.46 × 3,456.36
  4. Step 4: Simplify right side
    10,851.16x = 56,271,130.73
  5. Step 5: Solve for x
    x = 56,271,130.73/10,851.16
  6. Step 6: Final answer
    x = 5,185.72

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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.