Home / 8,926.74-12,318.69-5,200.50

Finding the Fourth Proportional to 8,926.74, 12,318.69 and 5,200.50

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Solution

The fourth proportional to 8,926.74, 12,318.69 and 5,200.50 is: 7,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.74 : 12,318.69 = 5,200.50 : x
  2. Step 2: Convert to fraction form
    8,926.74/12,318.69 = 5,200.50/x
  3. Step 3: Cross multiply
    8,926.74x = 12,318.69 × 5,200.50
  4. Step 4: Simplify right side
    8,926.74x = 64,063,347.35
  5. Step 5: Solve for x
    x = 64,063,347.35/8,926.74
  6. Step 6: Final answer
    x = 7,176.57

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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.