Home / 9,011.36-13,505.16-5,490.56

Finding the Fourth Proportional to 9,011.36, 13,505.16 and 5,490.56

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Solution

The fourth proportional to 9,011.36, 13,505.16 and 5,490.56 is: 8,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.36 : 13,505.16 = 5,490.56 : x
  2. Step 2: Convert to fraction form
    9,011.36/13,505.16 = 5,490.56/x
  3. Step 3: Cross multiply
    9,011.36x = 13,505.16 × 5,490.56
  4. Step 4: Simplify right side
    9,011.36x = 74,150,891.29
  5. Step 5: Solve for x
    x = 74,150,891.29/9,011.36
  6. Step 6: Final answer
    x = 8,228.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.