Home / 8,817.57-12,168.45-4,838.67

Finding the Fourth Proportional to 8,817.57, 12,168.45 and 4,838.67

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Solution

The fourth proportional to 8,817.57, 12,168.45 and 4,838.67 is: 6,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.57 : 12,168.45 = 4,838.67 : x
  2. Step 2: Convert to fraction form
    8,817.57/12,168.45 = 4,838.67/x
  3. Step 3: Cross multiply
    8,817.57x = 12,168.45 × 4,838.67
  4. Step 4: Simplify right side
    8,817.57x = 58,879,113.96
  5. Step 5: Solve for x
    x = 58,879,113.96/8,817.57
  6. Step 6: Final answer
    x = 6,677.48

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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.