Home / 7,178.25-10,767.40-2,248.32

Finding the Fourth Proportional to 7,178.25, 10,767.40 and 2,248.32

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Solution

The fourth proportional to 7,178.25, 10,767.40 and 2,248.32 is: 3,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.25 : 10,767.40 = 2,248.32 : x
  2. Step 2: Convert to fraction form
    7,178.25/10,767.40 = 2,248.32/x
  3. Step 3: Cross multiply
    7,178.25x = 10,767.40 × 2,248.32
  4. Step 4: Simplify right side
    7,178.25x = 24,208,595.52
  5. Step 5: Solve for x
    x = 24,208,595.52/7,178.25
  6. Step 6: Final answer
    x = 3,372.49

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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.