Home / 8,089.26-11,159.28-5,440.56

Finding the Fourth Proportional to 8,089.26, 11,159.28 and 5,440.56

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Solution

The fourth proportional to 8,089.26, 11,159.28 and 5,440.56 is: 7,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.26 : 11,159.28 = 5,440.56 : x
  2. Step 2: Convert to fraction form
    8,089.26/11,159.28 = 5,440.56/x
  3. Step 3: Cross multiply
    8,089.26x = 11,159.28 × 5,440.56
  4. Step 4: Simplify right side
    8,089.26x = 60,712,732.40
  5. Step 5: Solve for x
    x = 60,712,732.40/8,089.26
  6. Step 6: Final answer
    x = 7,505.35

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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.