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Finding the Fourth Proportional to 11,950.04, 16,486.31 and 6,913.32

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Solution

The fourth proportional to 11,950.04, 16,486.31 and 6,913.32 is: 9,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.04 : 16,486.31 = 6,913.32 : x
  2. Step 2: Convert to fraction form
    11,950.04/16,486.31 = 6,913.32/x
  3. Step 3: Cross multiply
    11,950.04x = 16,486.31 × 6,913.32
  4. Step 4: Simplify right side
    11,950.04x = 113,975,153.93
  5. Step 5: Solve for x
    x = 113,975,153.93/11,950.04
  6. Step 6: Final answer
    x = 9,537.64

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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.