Home / 8,427.41-11,624.82-5,445.00

Finding the Fourth Proportional to 8,427.41, 11,624.82 and 5,445.00

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Solution

The fourth proportional to 8,427.41, 11,624.82 and 5,445.00 is: 7,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.41 : 11,624.82 = 5,445.00 : x
  2. Step 2: Convert to fraction form
    8,427.41/11,624.82 = 5,445.00/x
  3. Step 3: Cross multiply
    8,427.41x = 11,624.82 × 5,445.00
  4. Step 4: Simplify right side
    8,427.41x = 63,297,165.35
  5. Step 5: Solve for x
    x = 63,297,165.35/8,427.41
  6. Step 6: Final answer
    x = 7,510.87

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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.