Home / 10,118.12-15,102.26-9,494.84

Finding the Fourth Proportional to 10,118.12, 15,102.26 and 9,494.84

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Solution

The fourth proportional to 10,118.12, 15,102.26 and 9,494.84 is: 14,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.12 : 15,102.26 = 9,494.84 : x
  2. Step 2: Convert to fraction form
    10,118.12/15,102.26 = 9,494.84/x
  3. Step 3: Cross multiply
    10,118.12x = 15,102.26 × 9,494.84
  4. Step 4: Simplify right side
    10,118.12x = 143,393,542.34
  5. Step 5: Solve for x
    x = 143,393,542.34/10,118.12
  6. Step 6: Final answer
    x = 14,171.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.