Home / 10,815.87-14,924.57-6,338.60

Finding the Fourth Proportional to 10,815.87, 14,924.57 and 6,338.60

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Solution

The fourth proportional to 10,815.87, 14,924.57 and 6,338.60 is: 8,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.87 : 14,924.57 = 6,338.60 : x
  2. Step 2: Convert to fraction form
    10,815.87/14,924.57 = 6,338.60/x
  3. Step 3: Cross multiply
    10,815.87x = 14,924.57 × 6,338.60
  4. Step 4: Simplify right side
    10,815.87x = 94,600,773.09
  5. Step 5: Solve for x
    x = 94,600,773.09/10,815.87
  6. Step 6: Final answer
    x = 8,746.48

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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.