Home / 8,677.17-13,031.55-5,396.67

Finding the Fourth Proportional to 8,677.17, 13,031.55 and 5,396.67

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Solution

The fourth proportional to 8,677.17, 13,031.55 and 5,396.67 is: 8,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.17 : 13,031.55 = 5,396.67 : x
  2. Step 2: Convert to fraction form
    8,677.17/13,031.55 = 5,396.67/x
  3. Step 3: Cross multiply
    8,677.17x = 13,031.55 × 5,396.67
  4. Step 4: Simplify right side
    8,677.17x = 70,326,974.94
  5. Step 5: Solve for x
    x = 70,326,974.94/8,677.17
  6. Step 6: Final answer
    x = 8,104.83

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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.