Home / 9,709.75-14,566.65-3,136.60

Finding the Fourth Proportional to 9,709.75, 14,566.65 and 3,136.60

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Solution

The fourth proportional to 9,709.75, 14,566.65 and 3,136.60 is: 4,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.75 : 14,566.65 = 3,136.60 : x
  2. Step 2: Convert to fraction form
    9,709.75/14,566.65 = 3,136.60/x
  3. Step 3: Cross multiply
    9,709.75x = 14,566.65 × 3,136.60
  4. Step 4: Simplify right side
    9,709.75x = 45,689,754.39
  5. Step 5: Solve for x
    x = 45,689,754.39/9,709.75
  6. Step 6: Final answer
    x = 4,705.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.