Home / 12,316.41-18,477.35-3,550.64

Finding the Fourth Proportional to 12,316.41, 18,477.35 and 3,550.64

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Solution

The fourth proportional to 12,316.41, 18,477.35 and 3,550.64 is: 5,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.41 : 18,477.35 = 3,550.64 : x
  2. Step 2: Convert to fraction form
    12,316.41/18,477.35 = 3,550.64/x
  3. Step 3: Cross multiply
    12,316.41x = 18,477.35 × 3,550.64
  4. Step 4: Simplify right side
    12,316.41x = 65,606,425.11
  5. Step 5: Solve for x
    x = 65,606,425.11/12,316.41
  6. Step 6: Final answer
    x = 5,326.75

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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.