Home / 10,186.88-14,058.96-5,711.84

Finding the Fourth Proportional to 10,186.88, 14,058.96 and 5,711.84

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Solution

The fourth proportional to 10,186.88, 14,058.96 and 5,711.84 is: 7,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.88 : 14,058.96 = 5,711.84 : x
  2. Step 2: Convert to fraction form
    10,186.88/14,058.96 = 5,711.84/x
  3. Step 3: Cross multiply
    10,186.88x = 14,058.96 × 5,711.84
  4. Step 4: Simplify right side
    10,186.88x = 80,302,530.09
  5. Step 5: Solve for x
    x = 80,302,530.09/10,186.88
  6. Step 6: Final answer
    x = 7,882.94

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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.