Home / 7,939.36-10,954.74-4,795.72

Finding the Fourth Proportional to 7,939.36, 10,954.74 and 4,795.72

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Solution

The fourth proportional to 7,939.36, 10,954.74 and 4,795.72 is: 6,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.36 : 10,954.74 = 4,795.72 : x
  2. Step 2: Convert to fraction form
    7,939.36/10,954.74 = 4,795.72/x
  3. Step 3: Cross multiply
    7,939.36x = 10,954.74 × 4,795.72
  4. Step 4: Simplify right side
    7,939.36x = 52,535,865.71
  5. Step 5: Solve for x
    x = 52,535,865.71/7,939.36
  6. Step 6: Final answer
    x = 6,617.14

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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.