Home / 7,434.57-11,151.76-1,812.27

Finding the Fourth Proportional to 7,434.57, 11,151.76 and 1,812.27

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Solution

The fourth proportional to 7,434.57, 11,151.76 and 1,812.27 is: 2,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.57 : 11,151.76 = 1,812.27 : x
  2. Step 2: Convert to fraction form
    7,434.57/11,151.76 = 1,812.27/x
  3. Step 3: Cross multiply
    7,434.57x = 11,151.76 × 1,812.27
  4. Step 4: Simplify right side
    7,434.57x = 20,210,004.63
  5. Step 5: Solve for x
    x = 20,210,004.63/7,434.57
  6. Step 6: Final answer
    x = 2,718.38

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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.