Home / 7,074.06-10,602.36-2,911.47

Finding the Fourth Proportional to 7,074.06, 10,602.36 and 2,911.47

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Solution

The fourth proportional to 7,074.06, 10,602.36 and 2,911.47 is: 4,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.06 : 10,602.36 = 2,911.47 : x
  2. Step 2: Convert to fraction form
    7,074.06/10,602.36 = 2,911.47/x
  3. Step 3: Cross multiply
    7,074.06x = 10,602.36 × 2,911.47
  4. Step 4: Simplify right side
    7,074.06x = 30,868,453.07
  5. Step 5: Solve for x
    x = 30,868,453.07/7,074.06
  6. Step 6: Final answer
    x = 4,363.61

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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.