Home / 11,238.98-15,509.54-6,203.68

Finding the Fourth Proportional to 11,238.98, 15,509.54 and 6,203.68

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Solution

The fourth proportional to 11,238.98, 15,509.54 and 6,203.68 is: 8,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.98 : 15,509.54 = 6,203.68 : x
  2. Step 2: Convert to fraction form
    11,238.98/15,509.54 = 6,203.68/x
  3. Step 3: Cross multiply
    11,238.98x = 15,509.54 × 6,203.68
  4. Step 4: Simplify right side
    11,238.98x = 96,216,223.11
  5. Step 5: Solve for x
    x = 96,216,223.11/11,238.98
  6. Step 6: Final answer
    x = 8,560.94

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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.