Home / 9,673.68-13,344.84-6,131.28

Finding the Fourth Proportional to 9,673.68, 13,344.84 and 6,131.28

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Solution

The fourth proportional to 9,673.68, 13,344.84 and 6,131.28 is: 8,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,673.68 : 13,344.84 = 6,131.28 : x
  2. Step 2: Convert to fraction form
    9,673.68/13,344.84 = 6,131.28/x
  3. Step 3: Cross multiply
    9,673.68x = 13,344.84 × 6,131.28
  4. Step 4: Simplify right side
    9,673.68x = 81,820,950.60
  5. Step 5: Solve for x
    x = 81,820,950.60/9,673.68
  6. Step 6: Final answer
    x = 8,458.10

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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.