Home / 10,765.96-16,149.63-2,868.39

Finding the Fourth Proportional to 10,765.96, 16,149.63 and 2,868.39

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Solution

The fourth proportional to 10,765.96, 16,149.63 and 2,868.39 is: 4,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.96 : 16,149.63 = 2,868.39 : x
  2. Step 2: Convert to fraction form
    10,765.96/16,149.63 = 2,868.39/x
  3. Step 3: Cross multiply
    10,765.96x = 16,149.63 × 2,868.39
  4. Step 4: Simplify right side
    10,765.96x = 46,323,386.40
  5. Step 5: Solve for x
    x = 46,323,386.40/10,765.96
  6. Step 6: Final answer
    x = 4,302.76

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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.