Home / 12,210.37-18,316.27-4,713.97

Finding the Fourth Proportional to 12,210.37, 18,316.27 and 4,713.97

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Solution

The fourth proportional to 12,210.37, 18,316.27 and 4,713.97 is: 7,071.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.37 : 18,316.27 = 4,713.97 : x
  2. Step 2: Convert to fraction form
    12,210.37/18,316.27 = 4,713.97/x
  3. Step 3: Cross multiply
    12,210.37x = 18,316.27 × 4,713.97
  4. Step 4: Simplify right side
    12,210.37x = 86,342,351.30
  5. Step 5: Solve for x
    x = 86,342,351.30/12,210.37
  6. Step 6: Final answer
    x = 7,071.23

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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.