Home / 10,765.69-16,148.53-3,370.18

Finding the Fourth Proportional to 10,765.69, 16,148.53 and 3,370.18

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Solution

The fourth proportional to 10,765.69, 16,148.53 and 3,370.18 is: 5,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.69 : 16,148.53 = 3,370.18 : x
  2. Step 2: Convert to fraction form
    10,765.69/16,148.53 = 3,370.18/x
  3. Step 3: Cross multiply
    10,765.69x = 16,148.53 × 3,370.18
  4. Step 4: Simplify right side
    10,765.69x = 54,423,452.84
  5. Step 5: Solve for x
    x = 54,423,452.84/10,765.69
  6. Step 6: Final answer
    x = 5,055.27

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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.