Home / 11,603.22-16,023.12-10,981.74

Finding the Fourth Proportional to 11,603.22, 16,023.12 and 10,981.74

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Solution

The fourth proportional to 11,603.22, 16,023.12 and 10,981.74 is: 15,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.22 : 16,023.12 = 10,981.74 : x
  2. Step 2: Convert to fraction form
    11,603.22/16,023.12 = 10,981.74/x
  3. Step 3: Cross multiply
    11,603.22x = 16,023.12 × 10,981.74
  4. Step 4: Simplify right side
    11,603.22x = 175,961,756.73
  5. Step 5: Solve for x
    x = 175,961,756.73/11,603.22
  6. Step 6: Final answer
    x = 15,164.91

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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.