Home / 7,259.38-10,018.14-4,115.77

Finding the Fourth Proportional to 7,259.38, 10,018.14 and 4,115.77

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Solution

The fourth proportional to 7,259.38, 10,018.14 and 4,115.77 is: 5,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.38 : 10,018.14 = 4,115.77 : x
  2. Step 2: Convert to fraction form
    7,259.38/10,018.14 = 4,115.77/x
  3. Step 3: Cross multiply
    7,259.38x = 10,018.14 × 4,115.77
  4. Step 4: Simplify right side
    7,259.38x = 41,232,360.07
  5. Step 5: Solve for x
    x = 41,232,360.07/7,259.38
  6. Step 6: Final answer
    x = 5,679.87

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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.