Home / 11,260.36-15,536.10-7,912.36

Finding the Fourth Proportional to 11,260.36, 15,536.10 and 7,912.36

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Solution

The fourth proportional to 11,260.36, 15,536.10 and 7,912.36 is: 10,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.36 : 15,536.10 = 7,912.36 : x
  2. Step 2: Convert to fraction form
    11,260.36/15,536.10 = 7,912.36/x
  3. Step 3: Cross multiply
    11,260.36x = 15,536.10 × 7,912.36
  4. Step 4: Simplify right side
    11,260.36x = 122,927,216.20
  5. Step 5: Solve for x
    x = 122,927,216.20/11,260.36
  6. Step 6: Final answer
    x = 10,916.81

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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.