Home / 9,429.26-13,009.44-5,448.92

Finding the Fourth Proportional to 9,429.26, 13,009.44 and 5,448.92

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Solution

The fourth proportional to 9,429.26, 13,009.44 and 5,448.92 is: 7,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.26 : 13,009.44 = 5,448.92 : x
  2. Step 2: Convert to fraction form
    9,429.26/13,009.44 = 5,448.92/x
  3. Step 3: Cross multiply
    9,429.26x = 13,009.44 × 5,448.92
  4. Step 4: Simplify right side
    9,429.26x = 70,887,397.80
  5. Step 5: Solve for x
    x = 70,887,397.80/9,429.26
  6. Step 6: Final answer
    x = 7,517.81

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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.