Home / 6,877.12-10,315.59-2,197.07

Finding the Fourth Proportional to 6,877.12, 10,315.59 and 2,197.07

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Solution

The fourth proportional to 6,877.12, 10,315.59 and 2,197.07 is: 3,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.12 : 10,315.59 = 2,197.07 : x
  2. Step 2: Convert to fraction form
    6,877.12/10,315.59 = 2,197.07/x
  3. Step 3: Cross multiply
    6,877.12x = 10,315.59 × 2,197.07
  4. Step 4: Simplify right side
    6,877.12x = 22,664,021.74
  5. Step 5: Solve for x
    x = 22,664,021.74/6,877.12
  6. Step 6: Final answer
    x = 3,295.57

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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.