Home / 11,864.02-16,372.69-6,486.77

Finding the Fourth Proportional to 11,864.02, 16,372.69 and 6,486.77

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Solution

The fourth proportional to 11,864.02, 16,372.69 and 6,486.77 is: 8,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.02 : 16,372.69 = 6,486.77 : x
  2. Step 2: Convert to fraction form
    11,864.02/16,372.69 = 6,486.77/x
  3. Step 3: Cross multiply
    11,864.02x = 16,372.69 × 6,486.77
  4. Step 4: Simplify right side
    11,864.02x = 106,205,921.61
  5. Step 5: Solve for x
    x = 106,205,921.61/11,864.02
  6. Step 6: Final answer
    x = 8,951.93

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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.