Home / 8,336.05-11,507.93-6,443.36

Finding the Fourth Proportional to 8,336.05, 11,507.93 and 6,443.36

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Solution

The fourth proportional to 8,336.05, 11,507.93 and 6,443.36 is: 8,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.05 : 11,507.93 = 6,443.36 : x
  2. Step 2: Convert to fraction form
    8,336.05/11,507.93 = 6,443.36/x
  3. Step 3: Cross multiply
    8,336.05x = 11,507.93 × 6,443.36
  4. Step 4: Simplify right side
    8,336.05x = 74,149,678.31
  5. Step 5: Solve for x
    x = 74,149,678.31/8,336.05
  6. Step 6: Final answer
    x = 8,895.06

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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.