Home / 11,558.30-15,981.50-11,026.13

Finding the Fourth Proportional to 11,558.30, 15,981.50 and 11,026.13

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Solution

The fourth proportional to 11,558.30, 15,981.50 and 11,026.13 is: 15,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.30 : 15,981.50 = 11,026.13 : x
  2. Step 2: Convert to fraction form
    11,558.30/15,981.50 = 11,026.13/x
  3. Step 3: Cross multiply
    11,558.30x = 15,981.50 × 11,026.13
  4. Step 4: Simplify right side
    11,558.30x = 176,214,044.25
  5. Step 5: Solve for x
    x = 176,214,044.25/11,558.30
  6. Step 6: Final answer
    x = 15,245.68

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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.