Home / 11,001.29-15,194.30-7,458.35

Finding the Fourth Proportional to 11,001.29, 15,194.30 and 7,458.35

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Solution

The fourth proportional to 11,001.29, 15,194.30 and 7,458.35 is: 10,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.29 : 15,194.30 = 7,458.35 : x
  2. Step 2: Convert to fraction form
    11,001.29/15,194.30 = 7,458.35/x
  3. Step 3: Cross multiply
    11,001.29x = 15,194.30 × 7,458.35
  4. Step 4: Simplify right side
    11,001.29x = 113,324,294.14
  5. Step 5: Solve for x
    x = 113,324,294.14/11,001.29
  6. Step 6: Final answer
    x = 10,301.01

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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.