Home / 11,893.70-16,421.38-10,630.74

Finding the Fourth Proportional to 11,893.70, 16,421.38 and 10,630.74

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Solution

The fourth proportional to 11,893.70, 16,421.38 and 10,630.74 is: 14,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.70 : 16,421.38 = 10,630.74 : x
  2. Step 2: Convert to fraction form
    11,893.70/16,421.38 = 10,630.74/x
  3. Step 3: Cross multiply
    11,893.70x = 16,421.38 × 10,630.74
  4. Step 4: Simplify right side
    11,893.70x = 174,571,421.22
  5. Step 5: Solve for x
    x = 174,571,421.22/11,893.70
  6. Step 6: Final answer
    x = 14,677.64

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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.