Home / 11,817.04-16,307.58-6,511.84

Finding the Fourth Proportional to 11,817.04, 16,307.58 and 6,511.84

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Solution

The fourth proportional to 11,817.04, 16,307.58 and 6,511.84 is: 8,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.04 : 16,307.58 = 6,511.84 : x
  2. Step 2: Convert to fraction form
    11,817.04/16,307.58 = 6,511.84/x
  3. Step 3: Cross multiply
    11,817.04x = 16,307.58 × 6,511.84
  4. Step 4: Simplify right side
    11,817.04x = 106,192,351.75
  5. Step 5: Solve for x
    x = 106,192,351.75/11,817.04
  6. Step 6: Final answer
    x = 8,986.37

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Double scale
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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.