Home / 8,359.37-11,533.63-5,171.13

Finding the Fourth Proportional to 8,359.37, 11,533.63 and 5,171.13

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Solution

The fourth proportional to 8,359.37, 11,533.63 and 5,171.13 is: 7,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.37 : 11,533.63 = 5,171.13 : x
  2. Step 2: Convert to fraction form
    8,359.37/11,533.63 = 5,171.13/x
  3. Step 3: Cross multiply
    8,359.37x = 11,533.63 × 5,171.13
  4. Step 4: Simplify right side
    8,359.37x = 59,641,900.10
  5. Step 5: Solve for x
    x = 59,641,900.10/8,359.37
  6. Step 6: Final answer
    x = 7,134.74

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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.