Home / 10,541.72-15,812.86-4,993.72

Finding the Fourth Proportional to 10,541.72, 15,812.86 and 4,993.72

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Solution

The fourth proportional to 10,541.72, 15,812.86 and 4,993.72 is: 7,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.72 : 15,812.86 = 4,993.72 : x
  2. Step 2: Convert to fraction form
    10,541.72/15,812.86 = 4,993.72/x
  3. Step 3: Cross multiply
    10,541.72x = 15,812.86 × 4,993.72
  4. Step 4: Simplify right side
    10,541.72x = 78,964,995.24
  5. Step 5: Solve for x
    x = 78,964,995.24/10,541.72
  6. Step 6: Final answer
    x = 7,490.71

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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.