Home / 11,297.48-15,576.30-7,257.13

Finding the Fourth Proportional to 11,297.48, 15,576.30 and 7,257.13

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Solution

The fourth proportional to 11,297.48, 15,576.30 and 7,257.13 is: 10,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.48 : 15,576.30 = 7,257.13 : x
  2. Step 2: Convert to fraction form
    11,297.48/15,576.30 = 7,257.13/x
  3. Step 3: Cross multiply
    11,297.48x = 15,576.30 × 7,257.13
  4. Step 4: Simplify right side
    11,297.48x = 113,039,195.08
  5. Step 5: Solve for x
    x = 113,039,195.08/11,297.48
  6. Step 6: Final answer
    x = 10,005.70

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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.