Home / 11,923.36-17,878.86-4,902.10

Finding the Fourth Proportional to 11,923.36, 17,878.86 and 4,902.10

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Solution

The fourth proportional to 11,923.36, 17,878.86 and 4,902.10 is: 7,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.36 : 17,878.86 = 4,902.10 : x
  2. Step 2: Convert to fraction form
    11,923.36/17,878.86 = 4,902.10/x
  3. Step 3: Cross multiply
    11,923.36x = 17,878.86 × 4,902.10
  4. Step 4: Simplify right side
    11,923.36x = 87,643,959.61
  5. Step 5: Solve for x
    x = 87,643,959.61/11,923.36
  6. Step 6: Final answer
    x = 7,350.61

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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.