Home / 7,240.19-9,994.86-5,448.33

Finding the Fourth Proportional to 7,240.19, 9,994.86 and 5,448.33

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Solution

The fourth proportional to 7,240.19, 9,994.86 and 5,448.33 is: 7,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.19 : 9,994.86 = 5,448.33 : x
  2. Step 2: Convert to fraction form
    7,240.19/9,994.86 = 5,448.33/x
  3. Step 3: Cross multiply
    7,240.19x = 9,994.86 × 5,448.33
  4. Step 4: Simplify right side
    7,240.19x = 54,455,295.58
  5. Step 5: Solve for x
    x = 54,455,295.58/7,240.19
  6. Step 6: Final answer
    x = 7,521.26

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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.