Home / 7,780.08-11,670.48-2,232.84

Finding the Fourth Proportional to 7,780.08, 11,670.48 and 2,232.84

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Solution

The fourth proportional to 7,780.08, 11,670.48 and 2,232.84 is: 3,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.08 : 11,670.48 = 2,232.84 : x
  2. Step 2: Convert to fraction form
    7,780.08/11,670.48 = 2,232.84/x
  3. Step 3: Cross multiply
    7,780.08x = 11,670.48 × 2,232.84
  4. Step 4: Simplify right side
    7,780.08x = 26,058,314.56
  5. Step 5: Solve for x
    x = 26,058,314.56/7,780.08
  6. Step 6: Final answer
    x = 3,349.36

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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.