Home / 11,201.01-15,459.56-7,424.38

Finding the Fourth Proportional to 11,201.01, 15,459.56 and 7,424.38

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Solution

The fourth proportional to 11,201.01, 15,459.56 and 7,424.38 is: 10,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.01 : 15,459.56 = 7,424.38 : x
  2. Step 2: Convert to fraction form
    11,201.01/15,459.56 = 7,424.38/x
  3. Step 3: Cross multiply
    11,201.01x = 15,459.56 × 7,424.38
  4. Step 4: Simplify right side
    11,201.01x = 114,777,648.07
  5. Step 5: Solve for x
    x = 114,777,648.07/11,201.01
  6. Step 6: Final answer
    x = 10,247.08

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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.