Home / 10,904.70-15,047.19-6,124.89

Finding the Fourth Proportional to 10,904.70, 15,047.19 and 6,124.89

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Solution

The fourth proportional to 10,904.70, 15,047.19 and 6,124.89 is: 8,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.70 : 15,047.19 = 6,124.89 : x
  2. Step 2: Convert to fraction form
    10,904.70/15,047.19 = 6,124.89/x
  3. Step 3: Cross multiply
    10,904.70x = 15,047.19 × 6,124.89
  4. Step 4: Simplify right side
    10,904.70x = 92,162,383.56
  5. Step 5: Solve for x
    x = 92,162,383.56/10,904.70
  6. Step 6: Final answer
    x = 8,451.62

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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.