Home / 8,955.67-13,428.89-4,021.08

Finding the Fourth Proportional to 8,955.67, 13,428.89 and 4,021.08

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Solution

The fourth proportional to 8,955.67, 13,428.89 and 4,021.08 is: 6,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.67 : 13,428.89 = 4,021.08 : x
  2. Step 2: Convert to fraction form
    8,955.67/13,428.89 = 4,021.08/x
  3. Step 3: Cross multiply
    8,955.67x = 13,428.89 × 4,021.08
  4. Step 4: Simplify right side
    8,955.67x = 53,998,641.00
  5. Step 5: Solve for x
    x = 53,998,641.00/8,955.67
  6. Step 6: Final answer
    x = 6,029.55

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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.