Home / 10,413.54-15,548.42-8,930.39

Finding the Fourth Proportional to 10,413.54, 15,548.42 and 8,930.39

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Solution

The fourth proportional to 10,413.54, 15,548.42 and 8,930.39 is: 13,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.54 : 15,548.42 = 8,930.39 : x
  2. Step 2: Convert to fraction form
    10,413.54/15,548.42 = 8,930.39/x
  3. Step 3: Cross multiply
    10,413.54x = 15,548.42 × 8,930.39
  4. Step 4: Simplify right side
    10,413.54x = 138,853,462.06
  5. Step 5: Solve for x
    x = 138,853,462.06/10,413.54
  6. Step 6: Final answer
    x = 13,333.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.