Home / 12,043.36-16,622.42-7,329.16

Finding the Fourth Proportional to 12,043.36, 16,622.42 and 7,329.16

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Solution

The fourth proportional to 12,043.36, 16,622.42 and 7,329.16 is: 10,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.36 : 16,622.42 = 7,329.16 : x
  2. Step 2: Convert to fraction form
    12,043.36/16,622.42 = 7,329.16/x
  3. Step 3: Cross multiply
    12,043.36x = 16,622.42 × 7,329.16
  4. Step 4: Simplify right side
    12,043.36x = 121,828,375.77
  5. Step 5: Solve for x
    x = 121,828,375.77/12,043.36
  6. Step 6: Final answer
    x = 10,115.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.