Home / 7,259.63-10,018.28-4,115.81

Finding the Fourth Proportional to 7,259.63, 10,018.28 and 4,115.81

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Solution

The fourth proportional to 7,259.63, 10,018.28 and 4,115.81 is: 5,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.63 : 10,018.28 = 4,115.81 : x
  2. Step 2: Convert to fraction form
    7,259.63/10,018.28 = 4,115.81/x
  3. Step 3: Cross multiply
    7,259.63x = 10,018.28 × 4,115.81
  4. Step 4: Simplify right side
    7,259.63x = 41,233,372.34
  5. Step 5: Solve for x
    x = 41,233,372.34/7,259.63
  6. Step 6: Final answer
    x = 5,679.82

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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.