Home / 7,860.12-10,847.16-4,323.66

Finding the Fourth Proportional to 7,860.12, 10,847.16 and 4,323.66

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Solution

The fourth proportional to 7,860.12, 10,847.16 and 4,323.66 is: 5,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.12 : 10,847.16 = 4,323.66 : x
  2. Step 2: Convert to fraction form
    7,860.12/10,847.16 = 4,323.66/x
  3. Step 3: Cross multiply
    7,860.12x = 10,847.16 × 4,323.66
  4. Step 4: Simplify right side
    7,860.12x = 46,899,431.81
  5. Step 5: Solve for x
    x = 46,899,431.81/7,860.12
  6. Step 6: Final answer
    x = 5,966.76

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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.