Home / 9,993.10-14,988.23-3,418.33

Finding the Fourth Proportional to 9,993.10, 14,988.23 and 3,418.33

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Solution

The fourth proportional to 9,993.10, 14,988.23 and 3,418.33 is: 5,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.10 : 14,988.23 = 3,418.33 : x
  2. Step 2: Convert to fraction form
    9,993.10/14,988.23 = 3,418.33/x
  3. Step 3: Cross multiply
    9,993.10x = 14,988.23 × 3,418.33
  4. Step 4: Simplify right side
    9,993.10x = 51,234,716.26
  5. Step 5: Solve for x
    x = 51,234,716.26/9,993.10
  6. Step 6: Final answer
    x = 5,127.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.