Home / 9,873.75-13,625.35-5,397.69

Finding the Fourth Proportional to 9,873.75, 13,625.35 and 5,397.69

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Solution

The fourth proportional to 9,873.75, 13,625.35 and 5,397.69 is: 7,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873.75 : 13,625.35 = 5,397.69 : x
  2. Step 2: Convert to fraction form
    9,873.75/13,625.35 = 5,397.69/x
  3. Step 3: Cross multiply
    9,873.75x = 13,625.35 × 5,397.69
  4. Step 4: Simplify right side
    9,873.75x = 73,545,415.44
  5. Step 5: Solve for x
    x = 73,545,415.44/9,873.75
  6. Step 6: Final answer
    x = 7,448.58

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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.