Home / 12,618.41-17,413.45-7,316.35

Finding the Fourth Proportional to 12,618.41, 17,413.45 and 7,316.35

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Solution

The fourth proportional to 12,618.41, 17,413.45 and 7,316.35 is: 10,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.41 : 17,413.45 = 7,316.35 : x
  2. Step 2: Convert to fraction form
    12,618.41/17,413.45 = 7,316.35/x
  3. Step 3: Cross multiply
    12,618.41x = 17,413.45 × 7,316.35
  4. Step 4: Simplify right side
    12,618.41x = 127,402,833.08
  5. Step 5: Solve for x
    x = 127,402,833.08/12,618.41
  6. Step 6: Final answer
    x = 10,096.59

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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.