Home / 8,391.94-11,580.76-4,855.08

Finding the Fourth Proportional to 8,391.94, 11,580.76 and 4,855.08

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Solution

The fourth proportional to 8,391.94, 11,580.76 and 4,855.08 is: 6,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.94 : 11,580.76 = 4,855.08 : x
  2. Step 2: Convert to fraction form
    8,391.94/11,580.76 = 4,855.08/x
  3. Step 3: Cross multiply
    8,391.94x = 11,580.76 × 4,855.08
  4. Step 4: Simplify right side
    8,391.94x = 56,225,516.26
  5. Step 5: Solve for x
    x = 56,225,516.26/8,391.94
  6. Step 6: Final answer
    x = 6,699.94

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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.