Home / 12,326.07-18,467.10-6,395.79

Finding the Fourth Proportional to 12,326.07, 18,467.10 and 6,395.79

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Solution

The fourth proportional to 12,326.07, 18,467.10 and 6,395.79 is: 9,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.07 : 18,467.10 = 6,395.79 : x
  2. Step 2: Convert to fraction form
    12,326.07/18,467.10 = 6,395.79/x
  3. Step 3: Cross multiply
    12,326.07x = 18,467.10 × 6,395.79
  4. Step 4: Simplify right side
    12,326.07x = 118,111,693.51
  5. Step 5: Solve for x
    x = 118,111,693.51/12,326.07
  6. Step 6: Final answer
    x = 9,582.27

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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.