Home / 11,863.67-16,371.51-6,558.40

Finding the Fourth Proportional to 11,863.67, 16,371.51 and 6,558.40

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Solution

The fourth proportional to 11,863.67, 16,371.51 and 6,558.40 is: 9,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.67 : 16,371.51 = 6,558.40 : x
  2. Step 2: Convert to fraction form
    11,863.67/16,371.51 = 6,558.40/x
  3. Step 3: Cross multiply
    11,863.67x = 16,371.51 × 6,558.40
  4. Step 4: Simplify right side
    11,863.67x = 107,370,911.18
  5. Step 5: Solve for x
    x = 107,370,911.18/11,863.67
  6. Step 6: Final answer
    x = 9,050.40

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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.