Home / 13,210.39-19,809.82-4,996.63

Finding the Fourth Proportional to 13,210.39, 19,809.82 and 4,996.63

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Solution

The fourth proportional to 13,210.39, 19,809.82 and 4,996.63 is: 7,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.39 : 19,809.82 = 4,996.63 : x
  2. Step 2: Convert to fraction form
    13,210.39/19,809.82 = 4,996.63/x
  3. Step 3: Cross multiply
    13,210.39x = 19,809.82 × 4,996.63
  4. Step 4: Simplify right side
    13,210.39x = 98,982,216.87
  5. Step 5: Solve for x
    x = 98,982,216.87/13,210.39
  6. Step 6: Final answer
    x = 7,492.76

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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.