Home / 7,430.12-11,145.27-1,883.33

Finding the Fourth Proportional to 7,430.12, 11,145.27 and 1,883.33

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Solution

The fourth proportional to 7,430.12, 11,145.27 and 1,883.33 is: 2,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.12 : 11,145.27 = 1,883.33 : x
  2. Step 2: Convert to fraction form
    7,430.12/11,145.27 = 1,883.33/x
  3. Step 3: Cross multiply
    7,430.12x = 11,145.27 × 1,883.33
  4. Step 4: Simplify right side
    7,430.12x = 20,990,177.84
  5. Step 5: Solve for x
    x = 20,990,177.84/7,430.12
  6. Step 6: Final answer
    x = 2,825.01

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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.