Home / 11,790.99-16,271.85-6,485.94

Finding the Fourth Proportional to 11,790.99, 16,271.85 and 6,485.94

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Solution

The fourth proportional to 11,790.99, 16,271.85 and 6,485.94 is: 8,950.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.99 : 16,271.85 = 6,485.94 : x
  2. Step 2: Convert to fraction form
    11,790.99/16,271.85 = 6,485.94/x
  3. Step 3: Cross multiply
    11,790.99x = 16,271.85 × 6,485.94
  4. Step 4: Simplify right side
    11,790.99x = 105,538,242.79
  5. Step 5: Solve for x
    x = 105,538,242.79/11,790.99
  6. Step 6: Final answer
    x = 8,950.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.