Home / 11,212.56-15,474.60-7,232.08

Finding the Fourth Proportional to 11,212.56, 15,474.60 and 7,232.08

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Solution

The fourth proportional to 11,212.56, 15,474.60 and 7,232.08 is: 9,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.56 : 15,474.60 = 7,232.08 : x
  2. Step 2: Convert to fraction form
    11,212.56/15,474.60 = 7,232.08/x
  3. Step 3: Cross multiply
    11,212.56x = 15,474.60 × 7,232.08
  4. Step 4: Simplify right side
    11,212.56x = 111,913,545.17
  5. Step 5: Solve for x
    x = 111,913,545.17/11,212.56
  6. Step 6: Final answer
    x = 9,981.09

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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.