Home / 10,169.60-15,262.08-6,874.88

Finding the Fourth Proportional to 10,169.60, 15,262.08 and 6,874.88

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Solution

The fourth proportional to 10,169.60, 15,262.08 and 6,874.88 is: 10,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.60 : 15,262.08 = 6,874.88 : x
  2. Step 2: Convert to fraction form
    10,169.60/15,262.08 = 6,874.88/x
  3. Step 3: Cross multiply
    10,169.60x = 15,262.08 × 6,874.88
  4. Step 4: Simplify right side
    10,169.60x = 104,924,968.55
  5. Step 5: Solve for x
    x = 104,924,968.55/10,169.60
  6. Step 6: Final answer
    x = 10,317.51

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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.