Home / 7,975.15-10,994.30-5,609.95

Finding the Fourth Proportional to 7,975.15, 10,994.30 and 5,609.95

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Solution

The fourth proportional to 7,975.15, 10,994.30 and 5,609.95 is: 7,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.15 : 10,994.30 = 5,609.95 : x
  2. Step 2: Convert to fraction form
    7,975.15/10,994.30 = 5,609.95/x
  3. Step 3: Cross multiply
    7,975.15x = 10,994.30 × 5,609.95
  4. Step 4: Simplify right side
    7,975.15x = 61,677,438.79
  5. Step 5: Solve for x
    x = 61,677,438.79/7,975.15
  6. Step 6: Final answer
    x = 7,733.71

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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.