Home / 9,422.99-13,004.84-5,231.51

Finding the Fourth Proportional to 9,422.99, 13,004.84 and 5,231.51

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Solution

The fourth proportional to 9,422.99, 13,004.84 and 5,231.51 is: 7,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.99 : 13,004.84 = 5,231.51 : x
  2. Step 2: Convert to fraction form
    9,422.99/13,004.84 = 5,231.51/x
  3. Step 3: Cross multiply
    9,422.99x = 13,004.84 × 5,231.51
  4. Step 4: Simplify right side
    9,422.99x = 68,034,950.51
  5. Step 5: Solve for x
    x = 68,034,950.51/9,422.99
  6. Step 6: Final answer
    x = 7,220.10

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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.