Home / 11,369.52-15,690.36-6,333.76

Finding the Fourth Proportional to 11,369.52, 15,690.36 and 6,333.76

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Solution

The fourth proportional to 11,369.52, 15,690.36 and 6,333.76 is: 8,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.52 : 15,690.36 = 6,333.76 : x
  2. Step 2: Convert to fraction form
    11,369.52/15,690.36 = 6,333.76/x
  3. Step 3: Cross multiply
    11,369.52x = 15,690.36 × 6,333.76
  4. Step 4: Simplify right side
    11,369.52x = 99,378,974.55
  5. Step 5: Solve for x
    x = 99,378,974.55/11,369.52
  6. Step 6: Final answer
    x = 8,740.82

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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.