Home / 8,301.13-12,463.98-3,380.38

Finding the Fourth Proportional to 8,301.13, 12,463.98 and 3,380.38

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Solution

The fourth proportional to 8,301.13, 12,463.98 and 3,380.38 is: 5,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.13 : 12,463.98 = 3,380.38 : x
  2. Step 2: Convert to fraction form
    8,301.13/12,463.98 = 3,380.38/x
  3. Step 3: Cross multiply
    8,301.13x = 12,463.98 × 3,380.38
  4. Step 4: Simplify right side
    8,301.13x = 42,132,988.71
  5. Step 5: Solve for x
    x = 42,132,988.71/8,301.13
  6. Step 6: Final answer
    x = 5,075.57

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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.