Home / 7,446.96-10,276.39-4,090.21

Finding the Fourth Proportional to 7,446.96, 10,276.39 and 4,090.21

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Solution

The fourth proportional to 7,446.96, 10,276.39 and 4,090.21 is: 5,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.96 : 10,276.39 = 4,090.21 : x
  2. Step 2: Convert to fraction form
    7,446.96/10,276.39 = 4,090.21/x
  3. Step 3: Cross multiply
    7,446.96x = 10,276.39 × 4,090.21
  4. Step 4: Simplify right side
    7,446.96x = 42,032,593.14
  5. Step 5: Solve for x
    x = 42,032,593.14/7,446.96
  6. Step 6: Final answer
    x = 5,644.26

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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.