Home / 11,078.85-16,628.00-6,154.05

Finding the Fourth Proportional to 11,078.85, 16,628.00 and 6,154.05

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Solution

The fourth proportional to 11,078.85, 16,628.00 and 6,154.05 is: 9,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.85 : 16,628.00 = 6,154.05 : x
  2. Step 2: Convert to fraction form
    11,078.85/16,628.00 = 6,154.05/x
  3. Step 3: Cross multiply
    11,078.85x = 16,628.00 × 6,154.05
  4. Step 4: Simplify right side
    11,078.85x = 102,329,512.63
  5. Step 5: Solve for x
    x = 102,329,512.63/11,078.85
  6. Step 6: Final answer
    x = 9,236.47

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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.