Home / 12,424.28-18,636.24-3,064.40

Finding the Fourth Proportional to 12,424.28, 18,636.24 and 3,064.40

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Solution

The fourth proportional to 12,424.28, 18,636.24 and 3,064.40 is: 4,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.28 : 18,636.24 = 3,064.40 : x
  2. Step 2: Convert to fraction form
    12,424.28/18,636.24 = 3,064.40/x
  3. Step 3: Cross multiply
    12,424.28x = 18,636.24 × 3,064.40
  4. Step 4: Simplify right side
    12,424.28x = 57,108,893.86
  5. Step 5: Solve for x
    x = 57,108,893.86/12,424.28
  6. Step 6: Final answer
    x = 4,596.56

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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.