Home / 8,129.80-11,217.84-4,592.56

Finding the Fourth Proportional to 8,129.80, 11,217.84 and 4,592.56

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Solution

The fourth proportional to 8,129.80, 11,217.84 and 4,592.56 is: 6,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.80 : 11,217.84 = 4,592.56 : x
  2. Step 2: Convert to fraction form
    8,129.80/11,217.84 = 4,592.56/x
  3. Step 3: Cross multiply
    8,129.80x = 11,217.84 × 4,592.56
  4. Step 4: Simplify right side
    8,129.80x = 51,518,603.27
  5. Step 5: Solve for x
    x = 51,518,603.27/8,129.80
  6. Step 6: Final answer
    x = 6,337.01

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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.