Home / 13,252.61-18,288.48-7,202.77

Finding the Fourth Proportional to 13,252.61, 18,288.48 and 7,202.77

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Solution

The fourth proportional to 13,252.61, 18,288.48 and 7,202.77 is: 9,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.61 : 18,288.48 = 7,202.77 : x
  2. Step 2: Convert to fraction form
    13,252.61/18,288.48 = 7,202.77/x
  3. Step 3: Cross multiply
    13,252.61x = 18,288.48 × 7,202.77
  4. Step 4: Simplify right side
    13,252.61x = 131,727,799.25
  5. Step 5: Solve for x
    x = 131,727,799.25/13,252.61
  6. Step 6: Final answer
    x = 9,939.76

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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.