Home / 7,437.77-11,156.97-2,440.43

Finding the Fourth Proportional to 7,437.77, 11,156.97 and 2,440.43

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Solution

The fourth proportional to 7,437.77, 11,156.97 and 2,440.43 is: 3,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.77 : 11,156.97 = 2,440.43 : x
  2. Step 2: Convert to fraction form
    7,437.77/11,156.97 = 2,440.43/x
  3. Step 3: Cross multiply
    7,437.77x = 11,156.97 × 2,440.43
  4. Step 4: Simplify right side
    7,437.77x = 27,227,748.51
  5. Step 5: Solve for x
    x = 27,227,748.51/7,437.77
  6. Step 6: Final answer
    x = 3,660.74

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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.