Home / 11,001.60-16,508.30-7,305.57

Finding the Fourth Proportional to 11,001.60, 16,508.30 and 7,305.57

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Solution

The fourth proportional to 11,001.60, 16,508.30 and 7,305.57 is: 10,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.60 : 16,508.30 = 7,305.57 : x
  2. Step 2: Convert to fraction form
    11,001.60/16,508.30 = 7,305.57/x
  3. Step 3: Cross multiply
    11,001.60x = 16,508.30 × 7,305.57
  4. Step 4: Simplify right side
    11,001.60x = 120,602,504.70
  5. Step 5: Solve for x
    x = 120,602,504.70/11,001.60
  6. Step 6: Final answer
    x = 10,962.27

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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.