Home / 13,088.86-18,063.12-7,500.94

Finding the Fourth Proportional to 13,088.86, 18,063.12 and 7,500.94

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Solution

The fourth proportional to 13,088.86, 18,063.12 and 7,500.94 is: 10,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.86 : 18,063.12 = 7,500.94 : x
  2. Step 2: Convert to fraction form
    13,088.86/18,063.12 = 7,500.94/x
  3. Step 3: Cross multiply
    13,088.86x = 18,063.12 × 7,500.94
  4. Step 4: Simplify right side
    13,088.86x = 135,490,379.33
  5. Step 5: Solve for x
    x = 135,490,379.33/13,088.86
  6. Step 6: Final answer
    x = 10,351.58

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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.