Home / 10,016.06-13,821.75-5,478.66

Finding the Fourth Proportional to 10,016.06, 13,821.75 and 5,478.66

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Solution

The fourth proportional to 10,016.06, 13,821.75 and 5,478.66 is: 7,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.06 : 13,821.75 = 5,478.66 : x
  2. Step 2: Convert to fraction form
    10,016.06/13,821.75 = 5,478.66/x
  3. Step 3: Cross multiply
    10,016.06x = 13,821.75 × 5,478.66
  4. Step 4: Simplify right side
    10,016.06x = 75,724,668.86
  5. Step 5: Solve for x
    x = 75,724,668.86/10,016.06
  6. Step 6: Final answer
    x = 7,560.33

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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.