Home / 7,649.90-11,473.96-2,385.30

Finding the Fourth Proportional to 7,649.90, 11,473.96 and 2,385.30

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Solution

The fourth proportional to 7,649.90, 11,473.96 and 2,385.30 is: 3,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.90 : 11,473.96 = 2,385.30 : x
  2. Step 2: Convert to fraction form
    7,649.90/11,473.96 = 2,385.30/x
  3. Step 3: Cross multiply
    7,649.90x = 11,473.96 × 2,385.30
  4. Step 4: Simplify right side
    7,649.90x = 27,368,836.79
  5. Step 5: Solve for x
    x = 27,368,836.79/7,649.90
  6. Step 6: Final answer
    x = 3,577.67

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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.