Home / 6,898.07-10,348.71-1,967.78

Finding the Fourth Proportional to 6,898.07, 10,348.71 and 1,967.78

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Solution

The fourth proportional to 6,898.07, 10,348.71 and 1,967.78 is: 2,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.07 : 10,348.71 = 1,967.78 : x
  2. Step 2: Convert to fraction form
    6,898.07/10,348.71 = 1,967.78/x
  3. Step 3: Cross multiply
    6,898.07x = 10,348.71 × 1,967.78
  4. Step 4: Simplify right side
    6,898.07x = 20,363,984.56
  5. Step 5: Solve for x
    x = 20,363,984.56/6,898.07
  6. Step 6: Final answer
    x = 2,952.13

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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.