Home / 7,472.97-11,211.75-3,090.74

Finding the Fourth Proportional to 7,472.97, 11,211.75 and 3,090.74

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Solution

The fourth proportional to 7,472.97, 11,211.75 and 3,090.74 is: 4,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.97 : 11,211.75 = 3,090.74 : x
  2. Step 2: Convert to fraction form
    7,472.97/11,211.75 = 3,090.74/x
  3. Step 3: Cross multiply
    7,472.97x = 11,211.75 × 3,090.74
  4. Step 4: Simplify right side
    7,472.97x = 34,652,548.14
  5. Step 5: Solve for x
    x = 34,652,548.14/7,472.97
  6. Step 6: Final answer
    x = 4,637.05

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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.