Home / 11,496.06-15,864.20-6,460.16

Finding the Fourth Proportional to 11,496.06, 15,864.20 and 6,460.16

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Solution

The fourth proportional to 11,496.06, 15,864.20 and 6,460.16 is: 8,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,496.06 : 15,864.20 = 6,460.16 : x
  2. Step 2: Convert to fraction form
    11,496.06/15,864.20 = 6,460.16/x
  3. Step 3: Cross multiply
    11,496.06x = 15,864.20 × 6,460.16
  4. Step 4: Simplify right side
    11,496.06x = 102,485,158.65
  5. Step 5: Solve for x
    x = 102,485,158.65/11,496.06
  6. Step 6: Final answer
    x = 8,914.81

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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.