Home / 7,465.28-11,196.56-2,199.20

Finding the Fourth Proportional to 7,465.28, 11,196.56 and 2,199.20

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Solution

The fourth proportional to 7,465.28, 11,196.56 and 2,199.20 is: 3,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.28 : 11,196.56 = 2,199.20 : x
  2. Step 2: Convert to fraction form
    7,465.28/11,196.56 = 2,199.20/x
  3. Step 3: Cross multiply
    7,465.28x = 11,196.56 × 2,199.20
  4. Step 4: Simplify right side
    7,465.28x = 24,623,474.75
  5. Step 5: Solve for x
    x = 24,623,474.75/7,465.28
  6. Step 6: Final answer
    x = 3,298.40

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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.