Home / 8,804.35-13,132.33-8,191.99

Finding the Fourth Proportional to 8,804.35, 13,132.33 and 8,191.99

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Solution

The fourth proportional to 8,804.35, 13,132.33 and 8,191.99 is: 12,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.35 : 13,132.33 = 8,191.99 : x
  2. Step 2: Convert to fraction form
    8,804.35/13,132.33 = 8,191.99/x
  3. Step 3: Cross multiply
    8,804.35x = 13,132.33 × 8,191.99
  4. Step 4: Simplify right side
    8,804.35x = 107,579,916.04
  5. Step 5: Solve for x
    x = 107,579,916.04/8,804.35
  6. Step 6: Final answer
    x = 12,218.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.