Home / 9,422.74-14,134.42-4,740.20

Finding the Fourth Proportional to 9,422.74, 14,134.42 and 4,740.20

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Solution

The fourth proportional to 9,422.74, 14,134.42 and 4,740.20 is: 7,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.74 : 14,134.42 = 4,740.20 : x
  2. Step 2: Convert to fraction form
    9,422.74/14,134.42 = 4,740.20/x
  3. Step 3: Cross multiply
    9,422.74x = 14,134.42 × 4,740.20
  4. Step 4: Simplify right side
    9,422.74x = 66,999,977.68
  5. Step 5: Solve for x
    x = 66,999,977.68/9,422.74
  6. Step 6: Final answer
    x = 7,110.46

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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.