Home / 11,584.30-15,985.20-6,867.94

Finding the Fourth Proportional to 11,584.30, 15,985.20 and 6,867.94

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Solution

The fourth proportional to 11,584.30, 15,985.20 and 6,867.94 is: 9,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.30 : 15,985.20 = 6,867.94 : x
  2. Step 2: Convert to fraction form
    11,584.30/15,985.20 = 6,867.94/x
  3. Step 3: Cross multiply
    11,584.30x = 15,985.20 × 6,867.94
  4. Step 4: Simplify right side
    11,584.30x = 109,785,394.49
  5. Step 5: Solve for x
    x = 109,785,394.49/11,584.30
  6. Step 6: Final answer
    x = 9,477.08

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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.