Home / 7,935.84-10,955.79-5,247.18

Finding the Fourth Proportional to 7,935.84, 10,955.79 and 5,247.18

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Solution

The fourth proportional to 7,935.84, 10,955.79 and 5,247.18 is: 7,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.84 : 10,955.79 = 5,247.18 : x
  2. Step 2: Convert to fraction form
    7,935.84/10,955.79 = 5,247.18/x
  3. Step 3: Cross multiply
    7,935.84x = 10,955.79 × 5,247.18
  4. Step 4: Simplify right side
    7,935.84x = 57,487,002.17
  5. Step 5: Solve for x
    x = 57,487,002.17/7,935.84
  6. Step 6: Final answer
    x = 7,243.97

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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.