Home / 12,053.50-18,080.57-3,845.50

Finding the Fourth Proportional to 12,053.50, 18,080.57 and 3,845.50

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Solution

The fourth proportional to 12,053.50, 18,080.57 and 3,845.50 is: 5,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.50 : 18,080.57 = 3,845.50 : x
  2. Step 2: Convert to fraction form
    12,053.50/18,080.57 = 3,845.50/x
  3. Step 3: Cross multiply
    12,053.50x = 18,080.57 × 3,845.50
  4. Step 4: Simplify right side
    12,053.50x = 69,528,831.94
  5. Step 5: Solve for x
    x = 69,528,831.94/12,053.50
  6. Step 6: Final answer
    x = 5,768.35

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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.