Home / 11,624.19-16,043.70-7,380.30

Finding the Fourth Proportional to 11,624.19, 16,043.70 and 7,380.30

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Solution

The fourth proportional to 11,624.19, 16,043.70 and 7,380.30 is: 10,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.19 : 16,043.70 = 7,380.30 : x
  2. Step 2: Convert to fraction form
    11,624.19/16,043.70 = 7,380.30/x
  3. Step 3: Cross multiply
    11,624.19x = 16,043.70 × 7,380.30
  4. Step 4: Simplify right side
    11,624.19x = 118,407,319.11
  5. Step 5: Solve for x
    x = 118,407,319.11/11,624.19
  6. Step 6: Final answer
    x = 10,186.29

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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.