Home / 10,815.36-14,924.35-6,338.49

Finding the Fourth Proportional to 10,815.36, 14,924.35 and 6,338.49

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Solution

The fourth proportional to 10,815.36, 14,924.35 and 6,338.49 is: 8,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.36 : 14,924.35 = 6,338.49 : x
  2. Step 2: Convert to fraction form
    10,815.36/14,924.35 = 6,338.49/x
  3. Step 3: Cross multiply
    10,815.36x = 14,924.35 × 6,338.49
  4. Step 4: Simplify right side
    10,815.36x = 94,597,843.23
  5. Step 5: Solve for x
    x = 94,597,843.23/10,815.36
  6. Step 6: Final answer
    x = 8,746.62

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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.