Home / 10,166.58-15,247.40-2,771.08

Finding the Fourth Proportional to 10,166.58, 15,247.40 and 2,771.08

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Solution

The fourth proportional to 10,166.58, 15,247.40 and 2,771.08 is: 4,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.58 : 15,247.40 = 2,771.08 : x
  2. Step 2: Convert to fraction form
    10,166.58/15,247.40 = 2,771.08/x
  3. Step 3: Cross multiply
    10,166.58x = 15,247.40 × 2,771.08
  4. Step 4: Simplify right side
    10,166.58x = 42,251,765.19
  5. Step 5: Solve for x
    x = 42,251,765.19/10,166.58
  6. Step 6: Final answer
    x = 4,155.95

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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.