Home / 7,942.15-10,955.58-4,952.79

Finding the Fourth Proportional to 7,942.15, 10,955.58 and 4,952.79

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Solution

The fourth proportional to 7,942.15, 10,955.58 and 4,952.79 is: 6,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.15 : 10,955.58 = 4,952.79 : x
  2. Step 2: Convert to fraction form
    7,942.15/10,955.58 = 4,952.79/x
  3. Step 3: Cross multiply
    7,942.15x = 10,955.58 × 4,952.79
  4. Step 4: Simplify right side
    7,942.15x = 54,260,726.84
  5. Step 5: Solve for x
    x = 54,260,726.84/7,942.15
  6. Step 6: Final answer
    x = 6,832.00

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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.