Home / 11,253.49-15,539.82-7,011.85

Finding the Fourth Proportional to 11,253.49, 15,539.82 and 7,011.85

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Solution

The fourth proportional to 11,253.49, 15,539.82 and 7,011.85 is: 9,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.49 : 15,539.82 = 7,011.85 : x
  2. Step 2: Convert to fraction form
    11,253.49/15,539.82 = 7,011.85/x
  3. Step 3: Cross multiply
    11,253.49x = 15,539.82 × 7,011.85
  4. Step 4: Simplify right side
    11,253.49x = 108,962,886.87
  5. Step 5: Solve for x
    x = 108,962,886.87/11,253.49
  6. Step 6: Final answer
    x = 9,682.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.