Home / 8,562.98-11,816.55-5,377.94

Finding the Fourth Proportional to 8,562.98, 11,816.55 and 5,377.94

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Solution

The fourth proportional to 8,562.98, 11,816.55 and 5,377.94 is: 7,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.98 : 11,816.55 = 5,377.94 : x
  2. Step 2: Convert to fraction form
    8,562.98/11,816.55 = 5,377.94/x
  3. Step 3: Cross multiply
    8,562.98x = 11,816.55 × 5,377.94
  4. Step 4: Simplify right side
    8,562.98x = 63,548,696.91
  5. Step 5: Solve for x
    x = 63,548,696.91/8,562.98
  6. Step 6: Final answer
    x = 7,421.33

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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.