Home / 10,988.22-16,482.20-2,668.32

Finding the Fourth Proportional to 10,988.22, 16,482.20 and 2,668.32

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Solution

The fourth proportional to 10,988.22, 16,482.20 and 2,668.32 is: 4,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.22 : 16,482.20 = 2,668.32 : x
  2. Step 2: Convert to fraction form
    10,988.22/16,482.20 = 2,668.32/x
  3. Step 3: Cross multiply
    10,988.22x = 16,482.20 × 2,668.32
  4. Step 4: Simplify right side
    10,988.22x = 43,979,783.90
  5. Step 5: Solve for x
    x = 43,979,783.90/10,988.22
  6. Step 6: Final answer
    x = 4,002.45

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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.