Home / 11,349.57-15,653.54-9,676.51

Finding the Fourth Proportional to 11,349.57, 15,653.54 and 9,676.51

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Solution

The fourth proportional to 11,349.57, 15,653.54 and 9,676.51 is: 13,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.57 : 15,653.54 = 9,676.51 : x
  2. Step 2: Convert to fraction form
    11,349.57/15,653.54 = 9,676.51/x
  3. Step 3: Cross multiply
    11,349.57x = 15,653.54 × 9,676.51
  4. Step 4: Simplify right side
    11,349.57x = 151,471,587.96
  5. Step 5: Solve for x
    x = 151,471,587.96/11,349.57
  6. Step 6: Final answer
    x = 13,346.03

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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.