Home / 11,903.59-17,856.60-4,111.39

Finding the Fourth Proportional to 11,903.59, 17,856.60 and 4,111.39

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Solution

The fourth proportional to 11,903.59, 17,856.60 and 4,111.39 is: 6,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.59 : 17,856.60 = 4,111.39 : x
  2. Step 2: Convert to fraction form
    11,903.59/17,856.60 = 4,111.39/x
  3. Step 3: Cross multiply
    11,903.59x = 17,856.60 × 4,111.39
  4. Step 4: Simplify right side
    11,903.59x = 73,415,479.27
  5. Step 5: Solve for x
    x = 73,415,479.27/11,903.59
  6. Step 6: Final answer
    x = 6,167.51

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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.