Home / 9,712.15-14,564.55-3,136.57

Finding the Fourth Proportional to 9,712.15, 14,564.55 and 3,136.57

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Solution

The fourth proportional to 9,712.15, 14,564.55 and 3,136.57 is: 4,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.15 : 14,564.55 = 3,136.57 : x
  2. Step 2: Convert to fraction form
    9,712.15/14,564.55 = 3,136.57/x
  3. Step 3: Cross multiply
    9,712.15x = 14,564.55 × 3,136.57
  4. Step 4: Simplify right side
    9,712.15x = 45,682,694.18
  5. Step 5: Solve for x
    x = 45,682,694.18/9,712.15
  6. Step 6: Final answer
    x = 4,703.67

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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.