Home / 12,705.93-19,047.96-6,136.70

Finding the Fourth Proportional to 12,705.93, 19,047.96 and 6,136.70

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Solution

The fourth proportional to 12,705.93, 19,047.96 and 6,136.70 is: 9,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705.93 : 19,047.96 = 6,136.70 : x
  2. Step 2: Convert to fraction form
    12,705.93/19,047.96 = 6,136.70/x
  3. Step 3: Cross multiply
    12,705.93x = 19,047.96 × 6,136.70
  4. Step 4: Simplify right side
    12,705.93x = 116,891,520.89
  5. Step 5: Solve for x
    x = 116,891,520.89/12,705.93
  6. Step 6: Final answer
    x = 9,199.76

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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.