Home / 7,934.10-10,958.40-5,276.76

Finding the Fourth Proportional to 7,934.10, 10,958.40 and 5,276.76

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Solution

The fourth proportional to 7,934.10, 10,958.40 and 5,276.76 is: 7,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.10 : 10,958.40 = 5,276.76 : x
  2. Step 2: Convert to fraction form
    7,934.10/10,958.40 = 5,276.76/x
  3. Step 3: Cross multiply
    7,934.10x = 10,958.40 × 5,276.76
  4. Step 4: Simplify right side
    7,934.10x = 57,824,846.78
  5. Step 5: Solve for x
    x = 57,824,846.78/7,934.10
  6. Step 6: Final answer
    x = 7,288.14

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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.