Home / 11,619.89-16,038.30-6,587.09

Finding the Fourth Proportional to 11,619.89, 16,038.30 and 6,587.09

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Solution

The fourth proportional to 11,619.89, 16,038.30 and 6,587.09 is: 9,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.89 : 16,038.30 = 6,587.09 : x
  2. Step 2: Convert to fraction form
    11,619.89/16,038.30 = 6,587.09/x
  3. Step 3: Cross multiply
    11,619.89x = 16,038.30 × 6,587.09
  4. Step 4: Simplify right side
    11,619.89x = 105,645,645.36
  5. Step 5: Solve for x
    x = 105,645,645.36/11,619.89
  6. Step 6: Final answer
    x = 9,091.80

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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.