Home / 11,190.58-15,444.21-7,000.18

Finding the Fourth Proportional to 11,190.58, 15,444.21 and 7,000.18

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Solution

The fourth proportional to 11,190.58, 15,444.21 and 7,000.18 is: 9,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.58 : 15,444.21 = 7,000.18 : x
  2. Step 2: Convert to fraction form
    11,190.58/15,444.21 = 7,000.18/x
  3. Step 3: Cross multiply
    11,190.58x = 15,444.21 × 7,000.18
  4. Step 4: Simplify right side
    11,190.58x = 108,112,249.96
  5. Step 5: Solve for x
    x = 108,112,249.96/11,190.58
  6. Step 6: Final answer
    x = 9,661.01

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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.