Home / 7,423.13-10,243.91-4,280.33

Finding the Fourth Proportional to 7,423.13, 10,243.91 and 4,280.33

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Solution

The fourth proportional to 7,423.13, 10,243.91 and 4,280.33 is: 5,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.13 : 10,243.91 = 4,280.33 : x
  2. Step 2: Convert to fraction form
    7,423.13/10,243.91 = 4,280.33/x
  3. Step 3: Cross multiply
    7,423.13x = 10,243.91 × 4,280.33
  4. Step 4: Simplify right side
    7,423.13x = 43,847,315.29
  5. Step 5: Solve for x
    x = 43,847,315.29/7,423.13
  6. Step 6: Final answer
    x = 5,906.85

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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.