Home / 7,442.32-11,165.16-2,177.45

Finding the Fourth Proportional to 7,442.32, 11,165.16 and 2,177.45

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Solution

The fourth proportional to 7,442.32, 11,165.16 and 2,177.45 is: 3,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.32 : 11,165.16 = 2,177.45 : x
  2. Step 2: Convert to fraction form
    7,442.32/11,165.16 = 2,177.45/x
  3. Step 3: Cross multiply
    7,442.32x = 11,165.16 × 2,177.45
  4. Step 4: Simplify right side
    7,442.32x = 24,311,577.64
  5. Step 5: Solve for x
    x = 24,311,577.64/7,442.32
  6. Step 6: Final answer
    x = 3,266.67

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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.