Home / 10,704.13-16,051.56-8,240.70

Finding the Fourth Proportional to 10,704.13, 16,051.56 and 8,240.70

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Solution

The fourth proportional to 10,704.13, 16,051.56 and 8,240.70 is: 12,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,704.13 : 16,051.56 = 8,240.70 : x
  2. Step 2: Convert to fraction form
    10,704.13/16,051.56 = 8,240.70/x
  3. Step 3: Cross multiply
    10,704.13x = 16,051.56 × 8,240.70
  4. Step 4: Simplify right side
    10,704.13x = 132,276,090.49
  5. Step 5: Solve for x
    x = 132,276,090.49/10,704.13
  6. Step 6: Final answer
    x = 12,357.48

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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.