Home / 11,587.01-15,974.60-9,204.88

Finding the Fourth Proportional to 11,587.01, 15,974.60 and 9,204.88

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Solution

The fourth proportional to 11,587.01, 15,974.60 and 9,204.88 is: 12,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.01 : 15,974.60 = 9,204.88 : x
  2. Step 2: Convert to fraction form
    11,587.01/15,974.60 = 9,204.88/x
  3. Step 3: Cross multiply
    11,587.01x = 15,974.60 × 9,204.88
  4. Step 4: Simplify right side
    11,587.01x = 147,044,276.05
  5. Step 5: Solve for x
    x = 147,044,276.05/11,587.01
  6. Step 6: Final answer
    x = 12,690.44

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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.