Home / 9,740.78-14,611.06-3,167.22

Finding the Fourth Proportional to 9,740.78, 14,611.06 and 3,167.22

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Solution

The fourth proportional to 9,740.78, 14,611.06 and 3,167.22 is: 4,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,740.78 : 14,611.06 = 3,167.22 : x
  2. Step 2: Convert to fraction form
    9,740.78/14,611.06 = 3,167.22/x
  3. Step 3: Cross multiply
    9,740.78x = 14,611.06 × 3,167.22
  4. Step 4: Simplify right side
    9,740.78x = 46,276,441.45
  5. Step 5: Solve for x
    x = 46,276,441.45/9,740.78
  6. Step 6: Final answer
    x = 4,750.79

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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.