Home / 11,100.06-15,317.64-6,624.54

Finding the Fourth Proportional to 11,100.06, 15,317.64 and 6,624.54

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Solution

The fourth proportional to 11,100.06, 15,317.64 and 6,624.54 is: 9,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.06 : 15,317.64 = 6,624.54 : x
  2. Step 2: Convert to fraction form
    11,100.06/15,317.64 = 6,624.54/x
  3. Step 3: Cross multiply
    11,100.06x = 15,317.64 × 6,624.54
  4. Step 4: Simplify right side
    11,100.06x = 101,472,318.89
  5. Step 5: Solve for x
    x = 101,472,318.89/11,100.06
  6. Step 6: Final answer
    x = 9,141.60

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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.