Home / 7,925.76-10,927.68-6,351.36

Finding the Fourth Proportional to 7,925.76, 10,927.68 and 6,351.36

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Solution

The fourth proportional to 7,925.76, 10,927.68 and 6,351.36 is: 8,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.76 : 10,927.68 = 6,351.36 : x
  2. Step 2: Convert to fraction form
    7,925.76/10,927.68 = 6,351.36/x
  3. Step 3: Cross multiply
    7,925.76x = 10,927.68 × 6,351.36
  4. Step 4: Simplify right side
    7,925.76x = 69,405,629.64
  5. Step 5: Solve for x
    x = 69,405,629.64/7,925.76
  6. Step 6: Final answer
    x = 8,756.97

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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.