Home / 11,028.33-15,219.36-6,312.51

Finding the Fourth Proportional to 11,028.33, 15,219.36 and 6,312.51

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Solution

The fourth proportional to 11,028.33, 15,219.36 and 6,312.51 is: 8,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.33 : 15,219.36 = 6,312.51 : x
  2. Step 2: Convert to fraction form
    11,028.33/15,219.36 = 6,312.51/x
  3. Step 3: Cross multiply
    11,028.33x = 15,219.36 × 6,312.51
  4. Step 4: Simplify right side
    11,028.33x = 96,072,362.19
  5. Step 5: Solve for x
    x = 96,072,362.19/11,028.33
  6. Step 6: Final answer
    x = 8,711.42

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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.