Home / 10,118.34-15,177.60-3,192.84

Finding the Fourth Proportional to 10,118.34, 15,177.60 and 3,192.84

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Solution

The fourth proportional to 10,118.34, 15,177.60 and 3,192.84 is: 4,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.34 : 15,177.60 = 3,192.84 : x
  2. Step 2: Convert to fraction form
    10,118.34/15,177.60 = 3,192.84/x
  3. Step 3: Cross multiply
    10,118.34x = 15,177.60 × 3,192.84
  4. Step 4: Simplify right side
    10,118.34x = 48,459,648.38
  5. Step 5: Solve for x
    x = 48,459,648.38/10,118.34
  6. Step 6: Final answer
    x = 4,789.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.