Home / 10,074.39-15,100.14-5,133.60

Finding the Fourth Proportional to 10,074.39, 15,100.14 and 5,133.60

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Solution

The fourth proportional to 10,074.39, 15,100.14 and 5,133.60 is: 7,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.39 : 15,100.14 = 5,133.60 : x
  2. Step 2: Convert to fraction form
    10,074.39/15,100.14 = 5,133.60/x
  3. Step 3: Cross multiply
    10,074.39x = 15,100.14 × 5,133.60
  4. Step 4: Simplify right side
    10,074.39x = 77,518,078.70
  5. Step 5: Solve for x
    x = 77,518,078.70/10,074.39
  6. Step 6: Final answer
    x = 7,694.57

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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.