Home / 9,917.47-13,688.51-6,736.08

Finding the Fourth Proportional to 9,917.47, 13,688.51 and 6,736.08

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Solution

The fourth proportional to 9,917.47, 13,688.51 and 6,736.08 is: 9,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.47 : 13,688.51 = 6,736.08 : x
  2. Step 2: Convert to fraction form
    9,917.47/13,688.51 = 6,736.08/x
  3. Step 3: Cross multiply
    9,917.47x = 13,688.51 × 6,736.08
  4. Step 4: Simplify right side
    9,917.47x = 92,206,898.44
  5. Step 5: Solve for x
    x = 92,206,898.44/9,917.47
  6. Step 6: Final answer
    x = 9,297.42

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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.