Home / 10,383.10-15,579.51-4,538.95

Finding the Fourth Proportional to 10,383.10, 15,579.51 and 4,538.95

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Solution

The fourth proportional to 10,383.10, 15,579.51 and 4,538.95 is: 6,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.10 : 15,579.51 = 4,538.95 : x
  2. Step 2: Convert to fraction form
    10,383.10/15,579.51 = 4,538.95/x
  3. Step 3: Cross multiply
    10,383.10x = 15,579.51 × 4,538.95
  4. Step 4: Simplify right side
    10,383.10x = 70,714,616.91
  5. Step 5: Solve for x
    x = 70,714,616.91/10,383.10
  6. Step 6: Final answer
    x = 6,810.55

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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.