Home / 12,087.36-16,676.28-7,898.04

Finding the Fourth Proportional to 12,087.36, 16,676.28 and 7,898.04

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Solution

The fourth proportional to 12,087.36, 16,676.28 and 7,898.04 is: 10,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.36 : 16,676.28 = 7,898.04 : x
  2. Step 2: Convert to fraction form
    12,087.36/16,676.28 = 7,898.04/x
  3. Step 3: Cross multiply
    12,087.36x = 16,676.28 × 7,898.04
  4. Step 4: Simplify right side
    12,087.36x = 131,709,926.49
  5. Step 5: Solve for x
    x = 131,709,926.49/12,087.36
  6. Step 6: Final answer
    x = 10,896.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.