Home / 10,187.88-14,060.34-5,712.84

Finding the Fourth Proportional to 10,187.88, 14,060.34 and 5,712.84

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Solution

The fourth proportional to 10,187.88, 14,060.34 and 5,712.84 is: 7,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.88 : 14,060.34 = 5,712.84 : x
  2. Step 2: Convert to fraction form
    10,187.88/14,060.34 = 5,712.84/x
  3. Step 3: Cross multiply
    10,187.88x = 14,060.34 × 5,712.84
  4. Step 4: Simplify right side
    10,187.88x = 80,324,472.77
  5. Step 5: Solve for x
    x = 80,324,472.77/10,187.88
  6. Step 6: Final answer
    x = 7,884.32

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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.