Home / 7,725.58-10,664.36-5,369.09

Finding the Fourth Proportional to 7,725.58, 10,664.36 and 5,369.09

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Solution

The fourth proportional to 7,725.58, 10,664.36 and 5,369.09 is: 7,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.58 : 10,664.36 = 5,369.09 : x
  2. Step 2: Convert to fraction form
    7,725.58/10,664.36 = 5,369.09/x
  3. Step 3: Cross multiply
    7,725.58x = 10,664.36 × 5,369.09
  4. Step 4: Simplify right side
    7,725.58x = 57,257,848.60
  5. Step 5: Solve for x
    x = 57,257,848.60/7,725.58
  6. Step 6: Final answer
    x = 7,411.47

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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.