Home / 10,541.28-15,811.56-4,997.28

Finding the Fourth Proportional to 10,541.28, 15,811.56 and 4,997.28

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Solution

The fourth proportional to 10,541.28, 15,811.56 and 4,997.28 is: 7,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.28 : 15,811.56 = 4,997.28 : x
  2. Step 2: Convert to fraction form
    10,541.28/15,811.56 = 4,997.28/x
  3. Step 3: Cross multiply
    10,541.28x = 15,811.56 × 4,997.28
  4. Step 4: Simplify right side
    10,541.28x = 79,014,792.56
  5. Step 5: Solve for x
    x = 79,014,792.56/10,541.28
  6. Step 6: Final answer
    x = 7,495.75

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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.