Home / 10,321.31-15,487.43-4,482.02

Finding the Fourth Proportional to 10,321.31, 15,487.43 and 4,482.02

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Solution

The fourth proportional to 10,321.31, 15,487.43 and 4,482.02 is: 6,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.31 : 15,487.43 = 4,482.02 : x
  2. Step 2: Convert to fraction form
    10,321.31/15,487.43 = 4,482.02/x
  3. Step 3: Cross multiply
    10,321.31x = 15,487.43 × 4,482.02
  4. Step 4: Simplify right side
    10,321.31x = 69,414,871.16
  5. Step 5: Solve for x
    x = 69,414,871.16/10,321.31
  6. Step 6: Final answer
    x = 6,725.40

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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.