Home / 10,926.74-16,390.10-4,682.70

Finding the Fourth Proportional to 10,926.74, 16,390.10 and 4,682.70

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Solution

The fourth proportional to 10,926.74, 16,390.10 and 4,682.70 is: 7,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.74 : 16,390.10 = 4,682.70 : x
  2. Step 2: Convert to fraction form
    10,926.74/16,390.10 = 4,682.70/x
  3. Step 3: Cross multiply
    10,926.74x = 16,390.10 × 4,682.70
  4. Step 4: Simplify right side
    10,926.74x = 76,749,897.86
  5. Step 5: Solve for x
    x = 76,749,897.86/10,926.74
  6. Step 6: Final answer
    x = 7,024.05

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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.