Home / 6,222.21-8,574.84-4,450.74

Finding the Fourth Proportional to 6,222.21, 8,574.84 and 4,450.74

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Solution

The fourth proportional to 6,222.21, 8,574.84 and 4,450.74 is: 6,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.21 : 8,574.84 = 4,450.74 : x
  2. Step 2: Convert to fraction form
    6,222.21/8,574.84 = 4,450.74/x
  3. Step 3: Cross multiply
    6,222.21x = 8,574.84 × 4,450.74
  4. Step 4: Simplify right side
    6,222.21x = 38,164,383.38
  5. Step 5: Solve for x
    x = 38,164,383.38/6,222.21
  6. Step 6: Final answer
    x = 6,133.57

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Half scale
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Double scale
Find fourth proportional to 6,223.21, 8,576.22 and 4,451.74
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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.