Home / 12,424.46-18,639.58-6,504.56

Finding the Fourth Proportional to 12,424.46, 18,639.58 and 6,504.56

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Solution

The fourth proportional to 12,424.46, 18,639.58 and 6,504.56 is: 9,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.46 : 18,639.58 = 6,504.56 : x
  2. Step 2: Convert to fraction form
    12,424.46/18,639.58 = 6,504.56/x
  3. Step 3: Cross multiply
    12,424.46x = 18,639.58 × 6,504.56
  4. Step 4: Simplify right side
    12,424.46x = 121,242,266.48
  5. Step 5: Solve for x
    x = 121,242,266.48/12,424.46
  6. Step 6: Final answer
    x = 9,758.35

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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.