Home / 7,423.18-10,243.91-4,065.98

Finding the Fourth Proportional to 7,423.18, 10,243.91 and 4,065.98

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Solution

The fourth proportional to 7,423.18, 10,243.91 and 4,065.98 is: 5,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.18 : 10,243.91 = 4,065.98 : x
  2. Step 2: Convert to fraction form
    7,423.18/10,243.91 = 4,065.98/x
  3. Step 3: Cross multiply
    7,423.18x = 10,243.91 × 4,065.98
  4. Step 4: Simplify right side
    7,423.18x = 41,651,568.96
  5. Step 5: Solve for x
    x = 41,651,568.96/7,423.18
  6. Step 6: Final answer
    x = 5,611.02

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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.