Home / 11,203.24-15,459.06-6,487.48

Finding the Fourth Proportional to 11,203.24, 15,459.06 and 6,487.48

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Solution

The fourth proportional to 11,203.24, 15,459.06 and 6,487.48 is: 8,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.24 : 15,459.06 = 6,487.48 : x
  2. Step 2: Convert to fraction form
    11,203.24/15,459.06 = 6,487.48/x
  3. Step 3: Cross multiply
    11,203.24x = 15,459.06 × 6,487.48
  4. Step 4: Simplify right side
    11,203.24x = 100,290,342.57
  5. Step 5: Solve for x
    x = 100,290,342.57/11,203.24
  6. Step 6: Final answer
    x = 8,951.91

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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.