Home / 7,970.12-11,942.69-5,042.24

Finding the Fourth Proportional to 7,970.12, 11,942.69 and 5,042.24

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Solution

The fourth proportional to 7,970.12, 11,942.69 and 5,042.24 is: 7,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.12 : 11,942.69 = 5,042.24 : x
  2. Step 2: Convert to fraction form
    7,970.12/11,942.69 = 5,042.24/x
  3. Step 3: Cross multiply
    7,970.12x = 11,942.69 × 5,042.24
  4. Step 4: Simplify right side
    7,970.12x = 60,217,824.30
  5. Step 5: Solve for x
    x = 60,217,824.30/7,970.12
  6. Step 6: Final answer
    x = 7,555.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.