Home / 11,723.32-16,177.58-6,417.13

Finding the Fourth Proportional to 11,723.32, 16,177.58 and 6,417.13

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Solution

The fourth proportional to 11,723.32, 16,177.58 and 6,417.13 is: 8,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.32 : 16,177.58 = 6,417.13 : x
  2. Step 2: Convert to fraction form
    11,723.32/16,177.58 = 6,417.13/x
  3. Step 3: Cross multiply
    11,723.32x = 16,177.58 × 6,417.13
  4. Step 4: Simplify right side
    11,723.32x = 103,813,601.86
  5. Step 5: Solve for x
    x = 103,813,601.86/11,723.32
  6. Step 6: Final answer
    x = 8,855.31

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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.