Home / 7,940.03-10,955.07-4,956.35

Finding the Fourth Proportional to 7,940.03, 10,955.07 and 4,956.35

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Solution

The fourth proportional to 7,940.03, 10,955.07 and 4,956.35 is: 6,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.03 : 10,955.07 = 4,956.35 : x
  2. Step 2: Convert to fraction form
    7,940.03/10,955.07 = 4,956.35/x
  3. Step 3: Cross multiply
    7,940.03x = 10,955.07 × 4,956.35
  4. Step 4: Simplify right side
    7,940.03x = 54,297,106.42
  5. Step 5: Solve for x
    x = 54,297,106.42/7,940.03
  6. Step 6: Final answer
    x = 6,838.40

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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.