Home / 12,773.28-19,148.55-4,980.30

Finding the Fourth Proportional to 12,773.28, 19,148.55 and 4,980.30

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Solution

The fourth proportional to 12,773.28, 19,148.55 and 4,980.30 is: 7,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.28 : 19,148.55 = 4,980.30 : x
  2. Step 2: Convert to fraction form
    12,773.28/19,148.55 = 4,980.30/x
  3. Step 3: Cross multiply
    12,773.28x = 19,148.55 × 4,980.30
  4. Step 4: Simplify right side
    12,773.28x = 95,365,523.57
  5. Step 5: Solve for x
    x = 95,365,523.57/12,773.28
  6. Step 6: Final answer
    x = 7,466.02

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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.