Home / 7,430.16-11,145.27-1,883.51

Finding the Fourth Proportional to 7,430.16, 11,145.27 and 1,883.51

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Solution

The fourth proportional to 7,430.16, 11,145.27 and 1,883.51 is: 2,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.16 : 11,145.27 = 1,883.51 : x
  2. Step 2: Convert to fraction form
    7,430.16/11,145.27 = 1,883.51/x
  3. Step 3: Cross multiply
    7,430.16x = 11,145.27 × 1,883.51
  4. Step 4: Simplify right side
    7,430.16x = 20,992,246.68
  5. Step 5: Solve for x
    x = 20,992,246.68/7,430.16
  6. Step 6: Final answer
    x = 2,825.28

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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.