Home / 11,775.54-16,250.39-6,470.36

Finding the Fourth Proportional to 11,775.54, 16,250.39 and 6,470.36

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Solution

The fourth proportional to 11,775.54, 16,250.39 and 6,470.36 is: 8,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.54 : 16,250.39 = 6,470.36 : x
  2. Step 2: Convert to fraction form
    11,775.54/16,250.39 = 6,470.36/x
  3. Step 3: Cross multiply
    11,775.54x = 16,250.39 × 6,470.36
  4. Step 4: Simplify right side
    11,775.54x = 105,145,936.45
  5. Step 5: Solve for x
    x = 105,145,936.45/11,775.54
  6. Step 6: Final answer
    x = 8,929.18

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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.