Home / 10,765.77-16,148.79-2,868.25

Finding the Fourth Proportional to 10,765.77, 16,148.79 and 2,868.25

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Solution

The fourth proportional to 10,765.77, 16,148.79 and 2,868.25 is: 4,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.77 : 16,148.79 = 2,868.25 : x
  2. Step 2: Convert to fraction form
    10,765.77/16,148.79 = 2,868.25/x
  3. Step 3: Cross multiply
    10,765.77x = 16,148.79 × 2,868.25
  4. Step 4: Simplify right side
    10,765.77x = 46,318,751.45
  5. Step 5: Solve for x
    x = 46,318,751.45/10,765.77
  6. Step 6: Final answer
    x = 4,302.41

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1.5x scale

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.