Home / 11,257.12-15,535.76-6,541.12

Finding the Fourth Proportional to 11,257.12, 15,535.76 and 6,541.12

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Solution

The fourth proportional to 11,257.12, 15,535.76 and 6,541.12 is: 9,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.12 : 15,535.76 = 6,541.12 : x
  2. Step 2: Convert to fraction form
    11,257.12/15,535.76 = 6,541.12/x
  3. Step 3: Cross multiply
    11,257.12x = 15,535.76 × 6,541.12
  4. Step 4: Simplify right side
    11,257.12x = 101,621,270.45
  5. Step 5: Solve for x
    x = 101,621,270.45/11,257.12
  6. Step 6: Final answer
    x = 9,027.29

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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.