Home / 11,002.95-15,185.12-6,286.32

Finding the Fourth Proportional to 11,002.95, 15,185.12 and 6,286.32

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Solution

The fourth proportional to 11,002.95, 15,185.12 and 6,286.32 is: 8,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.95 : 15,185.12 = 6,286.32 : x
  2. Step 2: Convert to fraction form
    11,002.95/15,185.12 = 6,286.32/x
  3. Step 3: Cross multiply
    11,002.95x = 15,185.12 × 6,286.32
  4. Step 4: Simplify right side
    11,002.95x = 95,458,492.13
  5. Step 5: Solve for x
    x = 95,458,492.13/11,002.95
  6. Step 6: Final answer
    x = 8,675.72

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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.