Home / 12,130.44-16,730.97-10,711.62

Finding the Fourth Proportional to 12,130.44, 16,730.97 and 10,711.62

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Solution

The fourth proportional to 12,130.44, 16,730.97 and 10,711.62 is: 14,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.44 : 16,730.97 = 10,711.62 : x
  2. Step 2: Convert to fraction form
    12,130.44/16,730.97 = 10,711.62/x
  3. Step 3: Cross multiply
    12,130.44x = 16,730.97 × 10,711.62
  4. Step 4: Simplify right side
    12,130.44x = 179,215,792.87
  5. Step 5: Solve for x
    x = 179,215,792.87/12,130.44
  6. Step 6: Final answer
    x = 14,774.06

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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.