Home / 7,911.41-10,913.94-4,554.36

Finding the Fourth Proportional to 7,911.41, 10,913.94 and 4,554.36

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Solution

The fourth proportional to 7,911.41, 10,913.94 and 4,554.36 is: 6,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.41 : 10,913.94 = 4,554.36 : x
  2. Step 2: Convert to fraction form
    7,911.41/10,913.94 = 4,554.36/x
  3. Step 3: Cross multiply
    7,911.41x = 10,913.94 × 4,554.36
  4. Step 4: Simplify right side
    7,911.41x = 49,706,011.78
  5. Step 5: Solve for x
    x = 49,706,011.78/7,911.41
  6. Step 6: Final answer
    x = 6,282.83

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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.