Home / 11,349.20-15,661.16-6,313.32

Finding the Fourth Proportional to 11,349.20, 15,661.16 and 6,313.32

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Solution

The fourth proportional to 11,349.20, 15,661.16 and 6,313.32 is: 8,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.20 : 15,661.16 = 6,313.32 : x
  2. Step 2: Convert to fraction form
    11,349.20/15,661.16 = 6,313.32/x
  3. Step 3: Cross multiply
    11,349.20x = 15,661.16 × 6,313.32
  4. Step 4: Simplify right side
    11,349.20x = 98,873,914.65
  5. Step 5: Solve for x
    x = 98,873,914.65/11,349.20
  6. Step 6: Final answer
    x = 8,711.97

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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.