Home / 13,088.84-18,063.09-7,500.92

Finding the Fourth Proportional to 13,088.84, 18,063.09 and 7,500.92

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Solution

The fourth proportional to 13,088.84, 18,063.09 and 7,500.92 is: 10,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.84 : 18,063.09 = 7,500.92 : x
  2. Step 2: Convert to fraction form
    13,088.84/18,063.09 = 7,500.92/x
  3. Step 3: Cross multiply
    13,088.84x = 18,063.09 × 7,500.92
  4. Step 4: Simplify right side
    13,088.84x = 135,489,702.73
  5. Step 5: Solve for x
    x = 135,489,702.73/13,088.84
  6. Step 6: Final answer
    x = 10,351.55

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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.