Home / 8,045.48-11,105.01-5,655.98

Finding the Fourth Proportional to 8,045.48, 11,105.01 and 5,655.98

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Solution

The fourth proportional to 8,045.48, 11,105.01 and 5,655.98 is: 7,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.48 : 11,105.01 = 5,655.98 : x
  2. Step 2: Convert to fraction form
    8,045.48/11,105.01 = 5,655.98/x
  3. Step 3: Cross multiply
    8,045.48x = 11,105.01 × 5,655.98
  4. Step 4: Simplify right side
    8,045.48x = 62,809,658.93
  5. Step 5: Solve for x
    x = 62,809,658.93/8,045.48
  6. Step 6: Final answer
    x = 7,806.83

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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.