Home / 8,631.04-11,909.44-5,093.76

Finding the Fourth Proportional to 8,631.04, 11,909.44 and 5,093.76

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Solution

The fourth proportional to 8,631.04, 11,909.44 and 5,093.76 is: 7,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.04 : 11,909.44 = 5,093.76 : x
  2. Step 2: Convert to fraction form
    8,631.04/11,909.44 = 5,093.76/x
  3. Step 3: Cross multiply
    8,631.04x = 11,909.44 × 5,093.76
  4. Step 4: Simplify right side
    8,631.04x = 60,663,829.09
  5. Step 5: Solve for x
    x = 60,663,829.09/8,631.04
  6. Step 6: Final answer
    x = 7,028.57

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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.