Home / 10,886.36-15,025.32-6,413.96

Finding the Fourth Proportional to 10,886.36, 15,025.32 and 6,413.96

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Solution

The fourth proportional to 10,886.36, 15,025.32 and 6,413.96 is: 8,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.36 : 15,025.32 = 6,413.96 : x
  2. Step 2: Convert to fraction form
    10,886.36/15,025.32 = 6,413.96/x
  3. Step 3: Cross multiply
    10,886.36x = 15,025.32 × 6,413.96
  4. Step 4: Simplify right side
    10,886.36x = 96,371,801.47
  5. Step 5: Solve for x
    x = 96,371,801.47/10,886.36
  6. Step 6: Final answer
    x = 8,852.53

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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.