Home / 7,330.13-10,115.94-4,018.13

Finding the Fourth Proportional to 7,330.13, 10,115.94 and 4,018.13

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Solution

The fourth proportional to 7,330.13, 10,115.94 and 4,018.13 is: 5,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.13 : 10,115.94 = 4,018.13 : x
  2. Step 2: Convert to fraction form
    7,330.13/10,115.94 = 4,018.13/x
  3. Step 3: Cross multiply
    7,330.13x = 10,115.94 × 4,018.13
  4. Step 4: Simplify right side
    7,330.13x = 40,647,111.41
  5. Step 5: Solve for x
    x = 40,647,111.41/7,330.13
  6. Step 6: Final answer
    x = 5,545.21

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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.