Home / 13,106.58-18,087.28-7,441.16

Finding the Fourth Proportional to 13,106.58, 18,087.28 and 7,441.16

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Solution

The fourth proportional to 13,106.58, 18,087.28 and 7,441.16 is: 10,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.58 : 18,087.28 = 7,441.16 : x
  2. Step 2: Convert to fraction form
    13,106.58/18,087.28 = 7,441.16/x
  3. Step 3: Cross multiply
    13,106.58x = 18,087.28 × 7,441.16
  4. Step 4: Simplify right side
    13,106.58x = 134,590,344.44
  5. Step 5: Solve for x
    x = 134,590,344.44/13,106.58
  6. Step 6: Final answer
    x = 10,268.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.