Home / 11,701.49-16,148.32-6,396.31

Finding the Fourth Proportional to 11,701.49, 16,148.32 and 6,396.31

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Solution

The fourth proportional to 11,701.49, 16,148.32 and 6,396.31 is: 8,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.49 : 16,148.32 = 6,396.31 : x
  2. Step 2: Convert to fraction form
    11,701.49/16,148.32 = 6,396.31/x
  3. Step 3: Cross multiply
    11,701.49x = 16,148.32 × 6,396.31
  4. Step 4: Simplify right side
    11,701.49x = 103,289,658.04
  5. Step 5: Solve for x
    x = 103,289,658.04/11,701.49
  6. Step 6: Final answer
    x = 8,827.05

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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.