Home / 9,140.58-13,700.37-4,199.84

Finding the Fourth Proportional to 9,140.58, 13,700.37 and 4,199.84

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Solution

The fourth proportional to 9,140.58, 13,700.37 and 4,199.84 is: 6,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.58 : 13,700.37 = 4,199.84 : x
  2. Step 2: Convert to fraction form
    9,140.58/13,700.37 = 4,199.84/x
  3. Step 3: Cross multiply
    9,140.58x = 13,700.37 × 4,199.84
  4. Step 4: Simplify right side
    9,140.58x = 57,539,361.94
  5. Step 5: Solve for x
    x = 57,539,361.94/9,140.58
  6. Step 6: Final answer
    x = 6,294.94

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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.