Home / 11,277.39-15,552.52-9,683.55

Finding the Fourth Proportional to 11,277.39, 15,552.52 and 9,683.55

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Solution

The fourth proportional to 11,277.39, 15,552.52 and 9,683.55 is: 13,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.39 : 15,552.52 = 9,683.55 : x
  2. Step 2: Convert to fraction form
    11,277.39/15,552.52 = 9,683.55/x
  3. Step 3: Cross multiply
    11,277.39x = 15,552.52 × 9,683.55
  4. Step 4: Simplify right side
    11,277.39x = 150,603,605.05
  5. Step 5: Solve for x
    x = 150,603,605.05/11,277.39
  6. Step 6: Final answer
    x = 13,354.47

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Half scale
Find fourth proportional to 22,554.78, 31,105.04 and 19,367.10
Double scale
Find fourth proportional to 11,278.39, 15,553.90 and 9,684.55
Similar ratio
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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.