Home / 10,400.27-14,351.99-5,684.45

Finding the Fourth Proportional to 10,400.27, 14,351.99 and 5,684.45

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Solution

The fourth proportional to 10,400.27, 14,351.99 and 5,684.45 is: 7,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.27 : 14,351.99 = 5,684.45 : x
  2. Step 2: Convert to fraction form
    10,400.27/14,351.99 = 5,684.45/x
  3. Step 3: Cross multiply
    10,400.27x = 14,351.99 × 5,684.45
  4. Step 4: Simplify right side
    10,400.27x = 81,583,069.37
  5. Step 5: Solve for x
    x = 81,583,069.37/10,400.27
  6. Step 6: Final answer
    x = 7,844.33

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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.