Home / 10,948.15-16,423.04-3,553.80

Finding the Fourth Proportional to 10,948.15, 16,423.04 and 3,553.80

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Solution

The fourth proportional to 10,948.15, 16,423.04 and 3,553.80 is: 5,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.15 : 16,423.04 = 3,553.80 : x
  2. Step 2: Convert to fraction form
    10,948.15/16,423.04 = 3,553.80/x
  3. Step 3: Cross multiply
    10,948.15x = 16,423.04 × 3,553.80
  4. Step 4: Simplify right side
    10,948.15x = 58,364,199.55
  5. Step 5: Solve for x
    x = 58,364,199.55/10,948.15
  6. Step 6: Final answer
    x = 5,330.96

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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.