Home / 8,284.12-11,428.37-4,925.10

Finding the Fourth Proportional to 8,284.12, 11,428.37 and 4,925.10

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Solution

The fourth proportional to 8,284.12, 11,428.37 and 4,925.10 is: 6,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.12 : 11,428.37 = 4,925.10 : x
  2. Step 2: Convert to fraction form
    8,284.12/11,428.37 = 4,925.10/x
  3. Step 3: Cross multiply
    8,284.12x = 11,428.37 × 4,925.10
  4. Step 4: Simplify right side
    8,284.12x = 56,285,887.94
  5. Step 5: Solve for x
    x = 56,285,887.94/8,284.12
  6. Step 6: Final answer
    x = 6,794.43

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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.