Home / 8,045.80-11,097.75-6,553.78

Finding the Fourth Proportional to 8,045.80, 11,097.75 and 6,553.78

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Solution

The fourth proportional to 8,045.80, 11,097.75 and 6,553.78 is: 9,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.80 : 11,097.75 = 6,553.78 : x
  2. Step 2: Convert to fraction form
    8,045.80/11,097.75 = 6,553.78/x
  3. Step 3: Cross multiply
    8,045.80x = 11,097.75 × 6,553.78
  4. Step 4: Simplify right side
    8,045.80x = 72,732,212.00
  5. Step 5: Solve for x
    x = 72,732,212.00/8,045.80
  6. Step 6: Final answer
    x = 9,039.77

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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.