Home / 12,416.94-18,629.55-5,017.41

Finding the Fourth Proportional to 12,416.94, 18,629.55 and 5,017.41

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Solution

The fourth proportional to 12,416.94, 18,629.55 and 5,017.41 is: 7,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.94 : 18,629.55 = 5,017.41 : x
  2. Step 2: Convert to fraction form
    12,416.94/18,629.55 = 5,017.41/x
  3. Step 3: Cross multiply
    12,416.94x = 18,629.55 × 5,017.41
  4. Step 4: Simplify right side
    12,416.94x = 93,472,090.47
  5. Step 5: Solve for x
    x = 93,472,090.47/12,416.94
  6. Step 6: Final answer
    x = 7,527.79

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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.