Home / 26,849.99-40,271.87-7,130.09

Finding the Fourth Proportional to 26,849.99, 40,271.87 and 7,130.09

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Solution

The fourth proportional to 26,849.99, 40,271.87 and 7,130.09 is: 10,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.99 : 40,271.87 = 7,130.09 : x
  2. Step 2: Convert to fraction form
    26,849.99/40,271.87 = 7,130.09/x
  3. Step 3: Cross multiply
    26,849.99x = 40,271.87 × 7,130.09
  4. Step 4: Simplify right side
    26,849.99x = 287,142,176.07
  5. Step 5: Solve for x
    x = 287,142,176.07/26,849.99
  6. Step 6: Final answer
    x = 10,694.31

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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.