Home / 8,193.15-12,280.41-3,510.81

Finding the Fourth Proportional to 8,193.15, 12,280.41 and 3,510.81

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Solution

The fourth proportional to 8,193.15, 12,280.41 and 3,510.81 is: 5,262.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.15 : 12,280.41 = 3,510.81 : x
  2. Step 2: Convert to fraction form
    8,193.15/12,280.41 = 3,510.81/x
  3. Step 3: Cross multiply
    8,193.15x = 12,280.41 × 3,510.81
  4. Step 4: Simplify right side
    8,193.15x = 43,114,186.23
  5. Step 5: Solve for x
    x = 43,114,186.23/8,193.15
  6. Step 6: Final answer
    x = 5,262.22

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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.