Home / 7,860.07-10,847.18-4,323.55

Finding the Fourth Proportional to 7,860.07, 10,847.18 and 4,323.55

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Solution

The fourth proportional to 7,860.07, 10,847.18 and 4,323.55 is: 5,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.07 : 10,847.18 = 4,323.55 : x
  2. Step 2: Convert to fraction form
    7,860.07/10,847.18 = 4,323.55/x
  3. Step 3: Cross multiply
    7,860.07x = 10,847.18 × 4,323.55
  4. Step 4: Simplify right side
    7,860.07x = 46,898,325.09
  5. Step 5: Solve for x
    x = 46,898,325.09/7,860.07
  6. Step 6: Final answer
    x = 5,966.65

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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.