Home / 10,541.20-15,810.01-3,520.42

Finding the Fourth Proportional to 10,541.20, 15,810.01 and 3,520.42

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Solution

The fourth proportional to 10,541.20, 15,810.01 and 3,520.42 is: 5,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.20 : 15,810.01 = 3,520.42 : x
  2. Step 2: Convert to fraction form
    10,541.20/15,810.01 = 3,520.42/x
  3. Step 3: Cross multiply
    10,541.20x = 15,810.01 × 3,520.42
  4. Step 4: Simplify right side
    10,541.20x = 55,657,899.57
  5. Step 5: Solve for x
    x = 55,657,899.57/10,541.20
  6. Step 6: Final answer
    x = 5,280.03

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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.