Home / 10,876.05-16,320.22-4,635.40

Finding the Fourth Proportional to 10,876.05, 16,320.22 and 4,635.40

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Solution

The fourth proportional to 10,876.05, 16,320.22 and 4,635.40 is: 6,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.05 : 16,320.22 = 4,635.40 : x
  2. Step 2: Convert to fraction form
    10,876.05/16,320.22 = 4,635.40/x
  3. Step 3: Cross multiply
    10,876.05x = 16,320.22 × 4,635.40
  4. Step 4: Simplify right side
    10,876.05x = 75,650,747.79
  5. Step 5: Solve for x
    x = 75,650,747.79/10,876.05
  6. Step 6: Final answer
    x = 6,955.72

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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.