Home / 7,635.90-10,536.81-4,449.54

Finding the Fourth Proportional to 7,635.90, 10,536.81 and 4,449.54

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Solution

The fourth proportional to 7,635.90, 10,536.81 and 4,449.54 is: 6,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.90 : 10,536.81 = 4,449.54 : x
  2. Step 2: Convert to fraction form
    7,635.90/10,536.81 = 4,449.54/x
  3. Step 3: Cross multiply
    7,635.90x = 10,536.81 × 4,449.54
  4. Step 4: Simplify right side
    7,635.90x = 46,883,957.57
  5. Step 5: Solve for x
    x = 46,883,957.57/7,635.90
  6. Step 6: Final answer
    x = 6,139.94

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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.