Home / 11,199.12-15,453.63-6,482.49

Finding the Fourth Proportional to 11,199.12, 15,453.63 and 6,482.49

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Solution

The fourth proportional to 11,199.12, 15,453.63 and 6,482.49 is: 8,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.12 : 15,453.63 = 6,482.49 : x
  2. Step 2: Convert to fraction form
    11,199.12/15,453.63 = 6,482.49/x
  3. Step 3: Cross multiply
    11,199.12x = 15,453.63 × 6,482.49
  4. Step 4: Simplify right side
    11,199.12x = 100,178,001.94
  5. Step 5: Solve for x
    x = 100,178,001.94/11,199.12
  6. Step 6: Final answer
    x = 8,945.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.