Home / 7,043.94-10,561.99-2,886.86

Finding the Fourth Proportional to 7,043.94, 10,561.99 and 2,886.86

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Solution

The fourth proportional to 7,043.94, 10,561.99 and 2,886.86 is: 4,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.94 : 10,561.99 = 2,886.86 : x
  2. Step 2: Convert to fraction form
    7,043.94/10,561.99 = 2,886.86/x
  3. Step 3: Cross multiply
    7,043.94x = 10,561.99 × 2,886.86
  4. Step 4: Simplify right side
    7,043.94x = 30,490,986.45
  5. Step 5: Solve for x
    x = 30,490,986.45/7,043.94
  6. Step 6: Final answer
    x = 4,328.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.