Home / 7,341.10-11,011.55-2,146.97

Finding the Fourth Proportional to 7,341.10, 11,011.55 and 2,146.97

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Solution

The fourth proportional to 7,341.10, 11,011.55 and 2,146.97 is: 3,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.10 : 11,011.55 = 2,146.97 : x
  2. Step 2: Convert to fraction form
    7,341.10/11,011.55 = 2,146.97/x
  3. Step 3: Cross multiply
    7,341.10x = 11,011.55 × 2,146.97
  4. Step 4: Simplify right side
    7,341.10x = 23,641,484.30
  5. Step 5: Solve for x
    x = 23,641,484.30/7,341.10
  6. Step 6: Final answer
    x = 3,220.43

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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.