Home / 8,123.49-11,208.83-4,586.02

Finding the Fourth Proportional to 8,123.49, 11,208.83 and 4,586.02

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Solution

The fourth proportional to 8,123.49, 11,208.83 and 4,586.02 is: 6,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.49 : 11,208.83 = 4,586.02 : x
  2. Step 2: Convert to fraction form
    8,123.49/11,208.83 = 4,586.02/x
  3. Step 3: Cross multiply
    8,123.49x = 11,208.83 × 4,586.02
  4. Step 4: Simplify right side
    8,123.49x = 51,403,893.40
  5. Step 5: Solve for x
    x = 51,403,893.40/8,123.49
  6. Step 6: Final answer
    x = 6,327.81

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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.