Home / 8,235.36-12,353.52-5,308.32

Finding the Fourth Proportional to 8,235.36, 12,353.52 and 5,308.32

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Solution

The fourth proportional to 8,235.36, 12,353.52 and 5,308.32 is: 7,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.36 : 12,353.52 = 5,308.32 : x
  2. Step 2: Convert to fraction form
    8,235.36/12,353.52 = 5,308.32/x
  3. Step 3: Cross multiply
    8,235.36x = 12,353.52 × 5,308.32
  4. Step 4: Simplify right side
    8,235.36x = 65,576,437.29
  5. Step 5: Solve for x
    x = 65,576,437.29/8,235.36
  6. Step 6: Final answer
    x = 7,962.79

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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.