Home / 10,072.48-13,900.08-5,882.80

Finding the Fourth Proportional to 10,072.48, 13,900.08 and 5,882.80

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Solution

The fourth proportional to 10,072.48, 13,900.08 and 5,882.80 is: 8,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.48 : 13,900.08 = 5,882.80 : x
  2. Step 2: Convert to fraction form
    10,072.48/13,900.08 = 5,882.80/x
  3. Step 3: Cross multiply
    10,072.48x = 13,900.08 × 5,882.80
  4. Step 4: Simplify right side
    10,072.48x = 81,771,390.62
  5. Step 5: Solve for x
    x = 81,771,390.62/10,072.48
  6. Step 6: Final answer
    x = 8,118.30

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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.