Home / 10,268.64-14,123.70-8,463.42

Finding the Fourth Proportional to 10,268.64, 14,123.70 and 8,463.42

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Solution

The fourth proportional to 10,268.64, 14,123.70 and 8,463.42 is: 11,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.64 : 14,123.70 = 8,463.42 : x
  2. Step 2: Convert to fraction form
    10,268.64/14,123.70 = 8,463.42/x
  3. Step 3: Cross multiply
    10,268.64x = 14,123.70 × 8,463.42
  4. Step 4: Simplify right side
    10,268.64x = 119,534,805.05
  5. Step 5: Solve for x
    x = 119,534,805.05/10,268.64
  6. Step 6: Final answer
    x = 11,640.76

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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.