Home / 9,816.20-13,546.50-5,624.36

Finding the Fourth Proportional to 9,816.20, 13,546.50 and 5,624.36

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Solution

The fourth proportional to 9,816.20, 13,546.50 and 5,624.36 is: 7,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.20 : 13,546.50 = 5,624.36 : x
  2. Step 2: Convert to fraction form
    9,816.20/13,546.50 = 5,624.36/x
  3. Step 3: Cross multiply
    9,816.20x = 13,546.50 × 5,624.36
  4. Step 4: Simplify right side
    9,816.20x = 76,190,392.74
  5. Step 5: Solve for x
    x = 76,190,392.74/9,816.20
  6. Step 6: Final answer
    x = 7,761.70

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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.