Home / 8,555.47-12,834.01-3,360.13

Finding the Fourth Proportional to 8,555.47, 12,834.01 and 3,360.13

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Solution

The fourth proportional to 8,555.47, 12,834.01 and 3,360.13 is: 5,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.47 : 12,834.01 = 3,360.13 : x
  2. Step 2: Convert to fraction form
    8,555.47/12,834.01 = 3,360.13/x
  3. Step 3: Cross multiply
    8,555.47x = 12,834.01 × 3,360.13
  4. Step 4: Simplify right side
    8,555.47x = 43,123,942.02
  5. Step 5: Solve for x
    x = 43,123,942.02/8,555.47
  6. Step 6: Final answer
    x = 5,040.51

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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.