Home / 8,817.66-12,168.09-4,838.67

Finding the Fourth Proportional to 8,817.66, 12,168.09 and 4,838.67

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Solution

The fourth proportional to 8,817.66, 12,168.09 and 4,838.67 is: 6,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.66 : 12,168.09 = 4,838.67 : x
  2. Step 2: Convert to fraction form
    8,817.66/12,168.09 = 4,838.67/x
  3. Step 3: Cross multiply
    8,817.66x = 12,168.09 × 4,838.67
  4. Step 4: Simplify right side
    8,817.66x = 58,877,372.04
  5. Step 5: Solve for x
    x = 58,877,372.04/8,817.66
  6. Step 6: Final answer
    x = 6,677.21

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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.