Home / 7,180.41-10,700.13-6,945.51

Finding the Fourth Proportional to 7,180.41, 10,700.13 and 6,945.51

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Solution

The fourth proportional to 7,180.41, 10,700.13 and 6,945.51 is: 10,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.41 : 10,700.13 = 6,945.51 : x
  2. Step 2: Convert to fraction form
    7,180.41/10,700.13 = 6,945.51/x
  3. Step 3: Cross multiply
    7,180.41x = 10,700.13 × 6,945.51
  4. Step 4: Simplify right side
    7,180.41x = 74,317,859.92
  5. Step 5: Solve for x
    x = 74,317,859.92/7,180.41
  6. Step 6: Final answer
    x = 10,350.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.