Home / 7,426.80-11,136.60-4,136.40

Finding the Fourth Proportional to 7,426.80, 11,136.60 and 4,136.40

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Solution

The fourth proportional to 7,426.80, 11,136.60 and 4,136.40 is: 6,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.80 : 11,136.60 = 4,136.40 : x
  2. Step 2: Convert to fraction form
    7,426.80/11,136.60 = 4,136.40/x
  3. Step 3: Cross multiply
    7,426.80x = 11,136.60 × 4,136.40
  4. Step 4: Simplify right side
    7,426.80x = 46,065,432.24
  5. Step 5: Solve for x
    x = 46,065,432.24/7,426.80
  6. Step 6: Final answer
    x = 6,202.59

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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.