Home / 7,476.35-10,317.32-4,119.09

Finding the Fourth Proportional to 7,476.35, 10,317.32 and 4,119.09

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Solution

The fourth proportional to 7,476.35, 10,317.32 and 4,119.09 is: 5,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.35 : 10,317.32 = 4,119.09 : x
  2. Step 2: Convert to fraction form
    7,476.35/10,317.32 = 4,119.09/x
  3. Step 3: Cross multiply
    7,476.35x = 10,317.32 × 4,119.09
  4. Step 4: Simplify right side
    7,476.35x = 42,497,914.22
  5. Step 5: Solve for x
    x = 42,497,914.22/7,476.35
  6. Step 6: Final answer
    x = 5,684.31

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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.