Home / 8,734.11-12,059.10-8,176.42

Finding the Fourth Proportional to 8,734.11, 12,059.10 and 8,176.42

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Solution

The fourth proportional to 8,734.11, 12,059.10 and 8,176.42 is: 11,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.11 : 12,059.10 = 8,176.42 : x
  2. Step 2: Convert to fraction form
    8,734.11/12,059.10 = 8,176.42/x
  3. Step 3: Cross multiply
    8,734.11x = 12,059.10 × 8,176.42
  4. Step 4: Simplify right side
    8,734.11x = 98,600,266.42
  5. Step 5: Solve for x
    x = 98,600,266.42/8,734.11
  6. Step 6: Final answer
    x = 11,289.10

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1.5x scale

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.