Home / 10,541.10-15,812.55-3,615.60

Finding the Fourth Proportional to 10,541.10, 15,812.55 and 3,615.60

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Solution

The fourth proportional to 10,541.10, 15,812.55 and 3,615.60 is: 5,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.10 : 15,812.55 = 3,615.60 : x
  2. Step 2: Convert to fraction form
    10,541.10/15,812.55 = 3,615.60/x
  3. Step 3: Cross multiply
    10,541.10x = 15,812.55 × 3,615.60
  4. Step 4: Simplify right side
    10,541.10x = 57,171,855.78
  5. Step 5: Solve for x
    x = 57,171,855.78/10,541.10
  6. Step 6: Final answer
    x = 5,423.71

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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.