Home / 10,409.57-14,365.32-5,693.75

Finding the Fourth Proportional to 10,409.57, 14,365.32 and 5,693.75

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Solution

The fourth proportional to 10,409.57, 14,365.32 and 5,693.75 is: 7,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.57 : 14,365.32 = 5,693.75 : x
  2. Step 2: Convert to fraction form
    10,409.57/14,365.32 = 5,693.75/x
  3. Step 3: Cross multiply
    10,409.57x = 14,365.32 × 5,693.75
  4. Step 4: Simplify right side
    10,409.57x = 81,792,540.75
  5. Step 5: Solve for x
    x = 81,792,540.75/10,409.57
  6. Step 6: Final answer
    x = 7,857.44

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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.