Home / 10,937.50-15,093.62-6,221.77

Finding the Fourth Proportional to 10,937.50, 15,093.62 and 6,221.77

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Solution

The fourth proportional to 10,937.50, 15,093.62 and 6,221.77 is: 8,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.50 : 15,093.62 = 6,221.77 : x
  2. Step 2: Convert to fraction form
    10,937.50/15,093.62 = 6,221.77/x
  3. Step 3: Cross multiply
    10,937.50x = 15,093.62 × 6,221.77
  4. Step 4: Simplify right side
    10,937.50x = 93,909,001.00
  5. Step 5: Solve for x
    x = 93,909,001.00/10,937.50
  6. Step 6: Final answer
    x = 8,585.97

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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.