Home / 7,860.66-10,847.55-4,323.81

Finding the Fourth Proportional to 7,860.66, 10,847.55 and 4,323.81

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Solution

The fourth proportional to 7,860.66, 10,847.55 and 4,323.81 is: 5,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.66 : 10,847.55 = 4,323.81 : x
  2. Step 2: Convert to fraction form
    7,860.66/10,847.55 = 4,323.81/x
  3. Step 3: Cross multiply
    7,860.66x = 10,847.55 × 4,323.81
  4. Step 4: Simplify right side
    7,860.66x = 46,902,745.17
  5. Step 5: Solve for x
    x = 46,902,745.17/7,860.66
  6. Step 6: Final answer
    x = 5,966.77

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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.