Home / 6,973.21-9,623.01-4,178.71

Finding the Fourth Proportional to 6,973.21, 9,623.01 and 4,178.71

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Solution

The fourth proportional to 6,973.21, 9,623.01 and 4,178.71 is: 5,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.21 : 9,623.01 = 4,178.71 : x
  2. Step 2: Convert to fraction form
    6,973.21/9,623.01 = 4,178.71/x
  3. Step 3: Cross multiply
    6,973.21x = 9,623.01 × 4,178.71
  4. Step 4: Simplify right side
    6,973.21x = 40,211,768.12
  5. Step 5: Solve for x
    x = 40,211,768.12/6,973.21
  6. Step 6: Final answer
    x = 5,766.61

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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.