Home / 12,091.96-18,136.02-4,699.80

Finding the Fourth Proportional to 12,091.96, 18,136.02 and 4,699.80

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Solution

The fourth proportional to 12,091.96, 18,136.02 and 4,699.80 is: 7,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.96 : 18,136.02 = 4,699.80 : x
  2. Step 2: Convert to fraction form
    12,091.96/18,136.02 = 4,699.80/x
  3. Step 3: Cross multiply
    12,091.96x = 18,136.02 × 4,699.80
  4. Step 4: Simplify right side
    12,091.96x = 85,235,666.80
  5. Step 5: Solve for x
    x = 85,235,666.80/12,091.96
  6. Step 6: Final answer
    x = 7,048.95

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1.5x scale

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.