Home / 7,623.86-11,433.60-3,461.66

Finding the Fourth Proportional to 7,623.86, 11,433.60 and 3,461.66

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Solution

The fourth proportional to 7,623.86, 11,433.60 and 3,461.66 is: 5,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.86 : 11,433.60 = 3,461.66 : x
  2. Step 2: Convert to fraction form
    7,623.86/11,433.60 = 3,461.66/x
  3. Step 3: Cross multiply
    7,623.86x = 11,433.60 × 3,461.66
  4. Step 4: Simplify right side
    7,623.86x = 39,579,235.78
  5. Step 5: Solve for x
    x = 39,579,235.78/7,623.86
  6. Step 6: Final answer
    x = 5,191.50

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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.