Home / 8,130.13-12,194.59-2,936.01

Finding the Fourth Proportional to 8,130.13, 12,194.59 and 2,936.01

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Solution

The fourth proportional to 8,130.13, 12,194.59 and 2,936.01 is: 4,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.13 : 12,194.59 = 2,936.01 : x
  2. Step 2: Convert to fraction form
    8,130.13/12,194.59 = 2,936.01/x
  3. Step 3: Cross multiply
    8,130.13x = 12,194.59 × 2,936.01
  4. Step 4: Simplify right side
    8,130.13x = 35,803,438.19
  5. Step 5: Solve for x
    x = 35,803,438.19/8,130.13
  6. Step 6: Final answer
    x = 4,403.80

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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.