Home / 7,816.60-10,787.07-4,413.34

Finding the Fourth Proportional to 7,816.60, 10,787.07 and 4,413.34

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Solution

The fourth proportional to 7,816.60, 10,787.07 and 4,413.34 is: 6,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.60 : 10,787.07 = 4,413.34 : x
  2. Step 2: Convert to fraction form
    7,816.60/10,787.07 = 4,413.34/x
  3. Step 3: Cross multiply
    7,816.60x = 10,787.07 × 4,413.34
  4. Step 4: Simplify right side
    7,816.60x = 47,607,007.51
  5. Step 5: Solve for x
    x = 47,607,007.51/7,816.60
  6. Step 6: Final answer
    x = 6,090.50

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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.