Home / 7,372.32-11,058.78-2,178.18

Finding the Fourth Proportional to 7,372.32, 11,058.78 and 2,178.18

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Solution

The fourth proportional to 7,372.32, 11,058.78 and 2,178.18 is: 3,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.32 : 11,058.78 = 2,178.18 : x
  2. Step 2: Convert to fraction form
    7,372.32/11,058.78 = 2,178.18/x
  3. Step 3: Cross multiply
    7,372.32x = 11,058.78 × 2,178.18
  4. Step 4: Simplify right side
    7,372.32x = 24,088,013.42
  5. Step 5: Solve for x
    x = 24,088,013.42/7,372.32
  6. Step 6: Final answer
    x = 3,267.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.