Home / 10,862.36-16,278.80-4,614.53

Finding the Fourth Proportional to 10,862.36, 16,278.80 and 4,614.53

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Solution

The fourth proportional to 10,862.36, 16,278.80 and 4,614.53 is: 6,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.36 : 16,278.80 = 4,614.53 : x
  2. Step 2: Convert to fraction form
    10,862.36/16,278.80 = 4,614.53/x
  3. Step 3: Cross multiply
    10,862.36x = 16,278.80 × 4,614.53
  4. Step 4: Simplify right side
    10,862.36x = 75,119,028.59
  5. Step 5: Solve for x
    x = 75,119,028.59/10,862.36
  6. Step 6: Final answer
    x = 6,915.54

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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.