Home / 11,349.16-15,662.10-6,313.72

Finding the Fourth Proportional to 11,349.16, 15,662.10 and 6,313.72

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Solution

The fourth proportional to 11,349.16, 15,662.10 and 6,313.72 is: 8,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.16 : 15,662.10 = 6,313.72 : x
  2. Step 2: Convert to fraction form
    11,349.16/15,662.10 = 6,313.72/x
  3. Step 3: Cross multiply
    11,349.16x = 15,662.10 × 6,313.72
  4. Step 4: Simplify right side
    11,349.16x = 98,886,114.01
  5. Step 5: Solve for x
    x = 98,886,114.01/11,349.16
  6. Step 6: Final answer
    x = 8,713.08

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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.