Home / 11,790.34-16,270.67-6,485.51

Finding the Fourth Proportional to 11,790.34, 16,270.67 and 6,485.51

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Solution

The fourth proportional to 11,790.34, 16,270.67 and 6,485.51 is: 8,950.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.34 : 16,270.67 = 6,485.51 : x
  2. Step 2: Convert to fraction form
    11,790.34/16,270.67 = 6,485.51/x
  3. Step 3: Cross multiply
    11,790.34x = 16,270.67 × 6,485.51
  4. Step 4: Simplify right side
    11,790.34x = 105,523,592.99
  5. Step 5: Solve for x
    x = 105,523,592.99/11,790.34
  6. Step 6: Final answer
    x = 8,950.00

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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.