Home / 12,124.47-18,180.27-3,802.23

Finding the Fourth Proportional to 12,124.47, 18,180.27 and 3,802.23

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Solution

The fourth proportional to 12,124.47, 18,180.27 and 3,802.23 is: 5,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.47 : 18,180.27 = 3,802.23 : x
  2. Step 2: Convert to fraction form
    12,124.47/18,180.27 = 3,802.23/x
  3. Step 3: Cross multiply
    12,124.47x = 18,180.27 × 3,802.23
  4. Step 4: Simplify right side
    12,124.47x = 69,125,568.00
  5. Step 5: Solve for x
    x = 69,125,568.00/12,124.47
  6. Step 6: Final answer
    x = 5,701.33

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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.