Home / 6,364.78-9,551.31-4,808.38

Finding the Fourth Proportional to 6,364.78, 9,551.31 and 4,808.38

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Solution

The fourth proportional to 6,364.78, 9,551.31 and 4,808.38 is: 7,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.78 : 9,551.31 = 4,808.38 : x
  2. Step 2: Convert to fraction form
    6,364.78/9,551.31 = 4,808.38/x
  3. Step 3: Cross multiply
    6,364.78x = 9,551.31 × 4,808.38
  4. Step 4: Simplify right side
    6,364.78x = 45,926,327.98
  5. Step 5: Solve for x
    x = 45,926,327.98/6,364.78
  6. Step 6: Final answer
    x = 7,215.70

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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.