Home / 11,037.06-15,220.70-7,051.25

Finding the Fourth Proportional to 11,037.06, 15,220.70 and 7,051.25

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Solution

The fourth proportional to 11,037.06, 15,220.70 and 7,051.25 is: 9,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,037.06 : 15,220.70 = 7,051.25 : x
  2. Step 2: Convert to fraction form
    11,037.06/15,220.70 = 7,051.25/x
  3. Step 3: Cross multiply
    11,037.06x = 15,220.70 × 7,051.25
  4. Step 4: Simplify right side
    11,037.06x = 107,324,960.88
  5. Step 5: Solve for x
    x = 107,324,960.88/11,037.06
  6. Step 6: Final answer
    x = 9,724.05

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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.