Home / 11,184.08-15,431.41-9,398.33

Finding the Fourth Proportional to 11,184.08, 15,431.41 and 9,398.33

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Solution

The fourth proportional to 11,184.08, 15,431.41 and 9,398.33 is: 12,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.08 : 15,431.41 = 9,398.33 : x
  2. Step 2: Convert to fraction form
    11,184.08/15,431.41 = 9,398.33/x
  3. Step 3: Cross multiply
    11,184.08x = 15,431.41 × 9,398.33
  4. Step 4: Simplify right side
    11,184.08x = 145,029,476.00
  5. Step 5: Solve for x
    x = 145,029,476.00/11,184.08
  6. Step 6: Final answer
    x = 12,967.50

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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.