Home / 12,549.44-18,829.12-4,760.32

Finding the Fourth Proportional to 12,549.44, 18,829.12 and 4,760.32

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Solution

The fourth proportional to 12,549.44, 18,829.12 and 4,760.32 is: 7,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.44 : 18,829.12 = 4,760.32 : x
  2. Step 2: Convert to fraction form
    12,549.44/18,829.12 = 4,760.32/x
  3. Step 3: Cross multiply
    12,549.44x = 18,829.12 × 4,760.32
  4. Step 4: Simplify right side
    12,549.44x = 89,632,636.52
  5. Step 5: Solve for x
    x = 89,632,636.52/12,549.44
  6. Step 6: Final answer
    x = 7,142.36

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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.