Home / 10,451.16-15,672.83-4,209.05

Finding the Fourth Proportional to 10,451.16, 15,672.83 and 4,209.05

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Solution

The fourth proportional to 10,451.16, 15,672.83 and 4,209.05 is: 6,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.16 : 15,672.83 = 4,209.05 : x
  2. Step 2: Convert to fraction form
    10,451.16/15,672.83 = 4,209.05/x
  3. Step 3: Cross multiply
    10,451.16x = 15,672.83 × 4,209.05
  4. Step 4: Simplify right side
    10,451.16x = 65,967,743.25
  5. Step 5: Solve for x
    x = 65,967,743.25/10,451.16
  6. Step 6: Final answer
    x = 6,312.00

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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.