Home / 10,949.56-16,428.12-6,012.88

Finding the Fourth Proportional to 10,949.56, 16,428.12 and 6,012.88

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Solution

The fourth proportional to 10,949.56, 16,428.12 and 6,012.88 is: 9,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.56 : 16,428.12 = 6,012.88 : x
  2. Step 2: Convert to fraction form
    10,949.56/16,428.12 = 6,012.88/x
  3. Step 3: Cross multiply
    10,949.56x = 16,428.12 × 6,012.88
  4. Step 4: Simplify right side
    10,949.56x = 98,780,314.19
  5. Step 5: Solve for x
    x = 98,780,314.19/10,949.56
  6. Step 6: Final answer
    x = 9,021.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.