Home / 10,485.02-15,724.13-3,463.40

Finding the Fourth Proportional to 10,485.02, 15,724.13 and 3,463.40

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Solution

The fourth proportional to 10,485.02, 15,724.13 and 3,463.40 is: 5,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.02 : 15,724.13 = 3,463.40 : x
  2. Step 2: Convert to fraction form
    10,485.02/15,724.13 = 3,463.40/x
  3. Step 3: Cross multiply
    10,485.02x = 15,724.13 × 3,463.40
  4. Step 4: Simplify right side
    10,485.02x = 54,458,855.90
  5. Step 5: Solve for x
    x = 54,458,855.90/10,485.02
  6. Step 6: Final answer
    x = 5,193.97

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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.