Home / 11,222.28-16,830.35-4,646.88

Finding the Fourth Proportional to 11,222.28, 16,830.35 and 4,646.88

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Solution

The fourth proportional to 11,222.28, 16,830.35 and 4,646.88 is: 6,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.28 : 16,830.35 = 4,646.88 : x
  2. Step 2: Convert to fraction form
    11,222.28/16,830.35 = 4,646.88/x
  3. Step 3: Cross multiply
    11,222.28x = 16,830.35 × 4,646.88
  4. Step 4: Simplify right side
    11,222.28x = 78,208,616.81
  5. Step 5: Solve for x
    x = 78,208,616.81/11,222.28
  6. Step 6: Final answer
    x = 6,969.05

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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.