Home / 7,423.94-10,245.11-4,280.13

Finding the Fourth Proportional to 7,423.94, 10,245.11 and 4,280.13

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Solution

The fourth proportional to 7,423.94, 10,245.11 and 4,280.13 is: 5,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.94 : 10,245.11 = 4,280.13 : x
  2. Step 2: Convert to fraction form
    7,423.94/10,245.11 = 4,280.13/x
  3. Step 3: Cross multiply
    7,423.94x = 10,245.11 × 4,280.13
  4. Step 4: Simplify right side
    7,423.94x = 43,850,381.26
  5. Step 5: Solve for x
    x = 43,850,381.26/7,423.94
  6. Step 6: Final answer
    x = 5,906.62

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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.