Home / 7,636.12-10,537.96-4,278.92

Finding the Fourth Proportional to 7,636.12, 10,537.96 and 4,278.92

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Solution

The fourth proportional to 7,636.12, 10,537.96 and 4,278.92 is: 5,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.12 : 10,537.96 = 4,278.92 : x
  2. Step 2: Convert to fraction form
    7,636.12/10,537.96 = 4,278.92/x
  3. Step 3: Cross multiply
    7,636.12x = 10,537.96 × 4,278.92
  4. Step 4: Simplify right side
    7,636.12x = 45,091,087.80
  5. Step 5: Solve for x
    x = 45,091,087.80/7,636.12
  6. Step 6: Final answer
    x = 5,904.97

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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.