Home / 11,190.46-15,443.10-6,475.06

Finding the Fourth Proportional to 11,190.46, 15,443.10 and 6,475.06

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Solution

The fourth proportional to 11,190.46, 15,443.10 and 6,475.06 is: 8,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.46 : 15,443.10 = 6,475.06 : x
  2. Step 2: Convert to fraction form
    11,190.46/15,443.10 = 6,475.06/x
  3. Step 3: Cross multiply
    11,190.46x = 15,443.10 × 6,475.06
  4. Step 4: Simplify right side
    11,190.46x = 99,994,999.09
  5. Step 5: Solve for x
    x = 99,994,999.09/11,190.46
  6. Step 6: Final answer
    x = 8,935.74

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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.