Home / 10,136.21-13,985.37-6,157.38

Finding the Fourth Proportional to 10,136.21, 13,985.37 and 6,157.38

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Solution

The fourth proportional to 10,136.21, 13,985.37 and 6,157.38 is: 8,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.21 : 13,985.37 = 6,157.38 : x
  2. Step 2: Convert to fraction form
    10,136.21/13,985.37 = 6,157.38/x
  3. Step 3: Cross multiply
    10,136.21x = 13,985.37 × 6,157.38
  4. Step 4: Simplify right side
    10,136.21x = 86,113,289.98
  5. Step 5: Solve for x
    x = 86,113,289.98/10,136.21
  6. Step 6: Final answer
    x = 8,495.61

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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.