Home / 10,166.63-15,247.35-2,770.70

Finding the Fourth Proportional to 10,166.63, 15,247.35 and 2,770.70

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Solution

The fourth proportional to 10,166.63, 15,247.35 and 2,770.70 is: 4,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.63 : 15,247.35 = 2,770.70 : x
  2. Step 2: Convert to fraction form
    10,166.63/15,247.35 = 2,770.70/x
  3. Step 3: Cross multiply
    10,166.63x = 15,247.35 × 2,770.70
  4. Step 4: Simplify right side
    10,166.63x = 42,245,756.41
  5. Step 5: Solve for x
    x = 42,245,756.41/10,166.63
  6. Step 6: Final answer
    x = 4,155.34

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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.