Home / 11,858.07-16,363.95-6,480.39

Finding the Fourth Proportional to 11,858.07, 16,363.95 and 6,480.39

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Solution

The fourth proportional to 11,858.07, 16,363.95 and 6,480.39 is: 8,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.07 : 16,363.95 = 6,480.39 : x
  2. Step 2: Convert to fraction form
    11,858.07/16,363.95 = 6,480.39/x
  3. Step 3: Cross multiply
    11,858.07x = 16,363.95 × 6,480.39
  4. Step 4: Simplify right side
    11,858.07x = 106,044,777.94
  5. Step 5: Solve for x
    x = 106,044,777.94/11,858.07
  6. Step 6: Final answer
    x = 8,942.84

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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.