Home / 23,005.36-34,509.69-6,138.28

Finding the Fourth Proportional to 23,005.36, 34,509.69 and 6,138.28

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Solution

The fourth proportional to 23,005.36, 34,509.69 and 6,138.28 is: 9,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,005.36 : 34,509.69 = 6,138.28 : x
  2. Step 2: Convert to fraction form
    23,005.36/34,509.69 = 6,138.28/x
  3. Step 3: Cross multiply
    23,005.36x = 34,509.69 × 6,138.28
  4. Step 4: Simplify right side
    23,005.36x = 211,830,183.07
  5. Step 5: Solve for x
    x = 211,830,183.07/23,005.36
  6. Step 6: Final answer
    x = 9,207.86

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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.