Home / 12,017.44-16,579.28-7,824.16

Finding the Fourth Proportional to 12,017.44, 16,579.28 and 7,824.16

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Solution

The fourth proportional to 12,017.44, 16,579.28 and 7,824.16 is: 10,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.44 : 16,579.28 = 7,824.16 : x
  2. Step 2: Convert to fraction form
    12,017.44/16,579.28 = 7,824.16/x
  3. Step 3: Cross multiply
    12,017.44x = 16,579.28 × 7,824.16
  4. Step 4: Simplify right side
    12,017.44x = 129,718,939.40
  5. Step 5: Solve for x
    x = 129,718,939.40/12,017.44
  6. Step 6: Final answer
    x = 10,794.22

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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.