Home / 7,426.14-11,139.54-4,136.75

Finding the Fourth Proportional to 7,426.14, 11,139.54 and 4,136.75

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Solution

The fourth proportional to 7,426.14, 11,139.54 and 4,136.75 is: 6,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.14 : 11,139.54 = 4,136.75 : x
  2. Step 2: Convert to fraction form
    7,426.14/11,139.54 = 4,136.75/x
  3. Step 3: Cross multiply
    7,426.14x = 11,139.54 × 4,136.75
  4. Step 4: Simplify right side
    7,426.14x = 46,081,492.10
  5. Step 5: Solve for x
    x = 46,081,492.10/7,426.14
  6. Step 6: Final answer
    x = 6,205.31

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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.