Home / 7,388.73-10,200.21-5,706.36

Finding the Fourth Proportional to 7,388.73, 10,200.21 and 5,706.36

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Solution

The fourth proportional to 7,388.73, 10,200.21 and 5,706.36 is: 7,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.73 : 10,200.21 = 5,706.36 : x
  2. Step 2: Convert to fraction form
    7,388.73/10,200.21 = 5,706.36/x
  3. Step 3: Cross multiply
    7,388.73x = 10,200.21 × 5,706.36
  4. Step 4: Simplify right side
    7,388.73x = 58,206,070.34
  5. Step 5: Solve for x
    x = 58,206,070.34/7,388.73
  6. Step 6: Final answer
    x = 7,877.68

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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.