Home / 10,997.47-16,492.05-4,421.41

Finding the Fourth Proportional to 10,997.47, 16,492.05 and 4,421.41

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Solution

The fourth proportional to 10,997.47, 16,492.05 and 4,421.41 is: 6,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.47 : 16,492.05 = 4,421.41 : x
  2. Step 2: Convert to fraction form
    10,997.47/16,492.05 = 4,421.41/x
  3. Step 3: Cross multiply
    10,997.47x = 16,492.05 × 4,421.41
  4. Step 4: Simplify right side
    10,997.47x = 72,918,114.79
  5. Step 5: Solve for x
    x = 72,918,114.79/10,997.47
  6. Step 6: Final answer
    x = 6,630.44

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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.