Home / 11,805.08-16,291.04-6,500.28

Finding the Fourth Proportional to 11,805.08, 16,291.04 and 6,500.28

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Solution

The fourth proportional to 11,805.08, 16,291.04 and 6,500.28 is: 8,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.08 : 16,291.04 = 6,500.28 : x
  2. Step 2: Convert to fraction form
    11,805.08/16,291.04 = 6,500.28/x
  3. Step 3: Cross multiply
    11,805.08x = 16,291.04 × 6,500.28
  4. Step 4: Simplify right side
    11,805.08x = 105,896,321.49
  5. Step 5: Solve for x
    x = 105,896,321.49/11,805.08
  6. Step 6: Final answer
    x = 8,970.40

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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.