Home / 11,078.85-15,288.84-6,043.08

Finding the Fourth Proportional to 11,078.85, 15,288.84 and 6,043.08

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Solution

The fourth proportional to 11,078.85, 15,288.84 and 6,043.08 is: 8,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.85 : 15,288.84 = 6,043.08 : x
  2. Step 2: Convert to fraction form
    11,078.85/15,288.84 = 6,043.08/x
  3. Step 3: Cross multiply
    11,078.85x = 15,288.84 × 6,043.08
  4. Step 4: Simplify right side
    11,078.85x = 92,391,683.23
  5. Step 5: Solve for x
    x = 92,391,683.23/11,078.85
  6. Step 6: Final answer
    x = 8,339.47

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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.