Home / 7,925.80-11,885.34-4,227.24

Finding the Fourth Proportional to 7,925.80, 11,885.34 and 4,227.24

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Solution

The fourth proportional to 7,925.80, 11,885.34 and 4,227.24 is: 6,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.80 : 11,885.34 = 4,227.24 : x
  2. Step 2: Convert to fraction form
    7,925.80/11,885.34 = 4,227.24/x
  3. Step 3: Cross multiply
    7,925.80x = 11,885.34 × 4,227.24
  4. Step 4: Simplify right side
    7,925.80x = 50,242,184.66
  5. Step 5: Solve for x
    x = 50,242,184.66/7,925.80
  6. Step 6: Final answer
    x = 6,339.07

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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.