Home / 10,869.46-16,307.10-4,629.76

Finding the Fourth Proportional to 10,869.46, 16,307.10 and 4,629.76

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Solution

The fourth proportional to 10,869.46, 16,307.10 and 4,629.76 is: 6,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.46 : 16,307.10 = 4,629.76 : x
  2. Step 2: Convert to fraction form
    10,869.46/16,307.10 = 4,629.76/x
  3. Step 3: Cross multiply
    10,869.46x = 16,307.10 × 4,629.76
  4. Step 4: Simplify right side
    10,869.46x = 75,497,959.30
  5. Step 5: Solve for x
    x = 75,497,959.30/10,869.46
  6. Step 6: Final answer
    x = 6,945.88

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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.