Home / 10,948.78-16,423.20-4,704.76

Finding the Fourth Proportional to 10,948.78, 16,423.20 and 4,704.76

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Solution

The fourth proportional to 10,948.78, 16,423.20 and 4,704.76 is: 7,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.78 : 16,423.20 = 4,704.76 : x
  2. Step 2: Convert to fraction form
    10,948.78/16,423.20 = 4,704.76/x
  3. Step 3: Cross multiply
    10,948.78x = 16,423.20 × 4,704.76
  4. Step 4: Simplify right side
    10,948.78x = 77,267,214.43
  5. Step 5: Solve for x
    x = 77,267,214.43/10,948.78
  6. Step 6: Final answer
    x = 7,057.15

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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.