Home / 28,803.10-43,204.65-9,083.20

Finding the Fourth Proportional to 28,803.10, 43,204.65 and 9,083.20

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Solution

The fourth proportional to 28,803.10, 43,204.65 and 9,083.20 is: 13,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.10 : 43,204.65 = 9,083.20 : x
  2. Step 2: Convert to fraction form
    28,803.10/43,204.65 = 9,083.20/x
  3. Step 3: Cross multiply
    28,803.10x = 43,204.65 × 9,083.20
  4. Step 4: Simplify right side
    28,803.10x = 392,436,456.94
  5. Step 5: Solve for x
    x = 392,436,456.94/28,803.10
  6. Step 6: Final answer
    x = 13,624.80

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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.