Home / 7,851.49-10,835.15-4,314.70

Finding the Fourth Proportional to 7,851.49, 10,835.15 and 4,314.70

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Solution

The fourth proportional to 7,851.49, 10,835.15 and 4,314.70 is: 5,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.49 : 10,835.15 = 4,314.70 : x
  2. Step 2: Convert to fraction form
    7,851.49/10,835.15 = 4,314.70/x
  3. Step 3: Cross multiply
    7,851.49x = 10,835.15 × 4,314.70
  4. Step 4: Simplify right side
    7,851.49x = 46,750,413.68
  5. Step 5: Solve for x
    x = 46,750,413.68/7,851.49
  6. Step 6: Final answer
    x = 5,954.34

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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.