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Finding the Fourth Proportional to 11,039.94, 15,235.12 and 6,071.94

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Solution

The fourth proportional to 11,039.94, 15,235.12 and 6,071.94 is: 8,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.94 : 15,235.12 = 6,071.94 : x
  2. Step 2: Convert to fraction form
    11,039.94/15,235.12 = 6,071.94/x
  3. Step 3: Cross multiply
    11,039.94x = 15,235.12 × 6,071.94
  4. Step 4: Simplify right side
    11,039.94x = 92,506,734.53
  5. Step 5: Solve for x
    x = 92,506,734.53/11,039.94
  6. Step 6: Final answer
    x = 8,379.28

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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.