Home / 10,169.61-15,252.85-2,774.67

Finding the Fourth Proportional to 10,169.61, 15,252.85 and 2,774.67

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Solution

The fourth proportional to 10,169.61, 15,252.85 and 2,774.67 is: 4,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.61 : 15,252.85 = 2,774.67 : x
  2. Step 2: Convert to fraction form
    10,169.61/15,252.85 = 2,774.67/x
  3. Step 3: Cross multiply
    10,169.61x = 15,252.85 × 2,774.67
  4. Step 4: Simplify right side
    10,169.61x = 42,321,618.37
  5. Step 5: Solve for x
    x = 42,321,618.37/10,169.61
  6. Step 6: Final answer
    x = 4,161.58

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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.