Home / 10,160.85-15,230.88-6,874.29

Finding the Fourth Proportional to 10,160.85, 15,230.88 and 6,874.29

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Solution

The fourth proportional to 10,160.85, 15,230.88 and 6,874.29 is: 10,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.85 : 15,230.88 = 6,874.29 : x
  2. Step 2: Convert to fraction form
    10,160.85/15,230.88 = 6,874.29/x
  3. Step 3: Cross multiply
    10,160.85x = 15,230.88 × 6,874.29
  4. Step 4: Simplify right side
    10,160.85x = 104,701,486.08
  5. Step 5: Solve for x
    x = 104,701,486.08/10,160.85
  6. Step 6: Final answer
    x = 10,304.40

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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.