Home / 12,325.33-18,480.61-5,653.47

Finding the Fourth Proportional to 12,325.33, 18,480.61 and 5,653.47

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Solution

The fourth proportional to 12,325.33, 18,480.61 and 5,653.47 is: 8,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.33 : 18,480.61 = 5,653.47 : x
  2. Step 2: Convert to fraction form
    12,325.33/18,480.61 = 5,653.47/x
  3. Step 3: Cross multiply
    12,325.33x = 18,480.61 × 5,653.47
  4. Step 4: Simplify right side
    12,325.33x = 104,479,574.22
  5. Step 5: Solve for x
    x = 104,479,574.22/12,325.33
  6. Step 6: Final answer
    x = 8,476.82

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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.