Home / 11,882.40-16,397.73-6,578.01

Finding the Fourth Proportional to 11,882.40, 16,397.73 and 6,578.01

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Solution

The fourth proportional to 11,882.40, 16,397.73 and 6,578.01 is: 9,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.40 : 16,397.73 = 6,578.01 : x
  2. Step 2: Convert to fraction form
    11,882.40/16,397.73 = 6,578.01/x
  3. Step 3: Cross multiply
    11,882.40x = 16,397.73 × 6,578.01
  4. Step 4: Simplify right side
    11,882.40x = 107,864,431.92
  5. Step 5: Solve for x
    x = 107,864,431.92/11,882.40
  6. Step 6: Final answer
    x = 9,077.66

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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.