Home / 11,199.47-15,455.41-6,482.84

Finding the Fourth Proportional to 11,199.47, 15,455.41 and 6,482.84

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Solution

The fourth proportional to 11,199.47, 15,455.41 and 6,482.84 is: 8,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.47 : 15,455.41 = 6,482.84 : x
  2. Step 2: Convert to fraction form
    11,199.47/15,455.41 = 6,482.84/x
  3. Step 3: Cross multiply
    11,199.47x = 15,455.41 × 6,482.84
  4. Step 4: Simplify right side
    11,199.47x = 100,194,856.68
  5. Step 5: Solve for x
    x = 100,194,856.68/11,199.47
  6. Step 6: Final answer
    x = 8,946.40

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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.