Home / 10,480.20-14,461.81-6,172.62

Finding the Fourth Proportional to 10,480.20, 14,461.81 and 6,172.62

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Solution

The fourth proportional to 10,480.20, 14,461.81 and 6,172.62 is: 8,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.20 : 14,461.81 = 6,172.62 : x
  2. Step 2: Convert to fraction form
    10,480.20/14,461.81 = 6,172.62/x
  3. Step 3: Cross multiply
    10,480.20x = 14,461.81 × 6,172.62
  4. Step 4: Simplify right side
    10,480.20x = 89,267,242.21
  5. Step 5: Solve for x
    x = 89,267,242.21/10,480.20
  6. Step 6: Final answer
    x = 8,517.70

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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.