Home / 10,862.46-16,280.28-6,186.42

Finding the Fourth Proportional to 10,862.46, 16,280.28 and 6,186.42

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Solution

The fourth proportional to 10,862.46, 16,280.28 and 6,186.42 is: 9,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.46 : 16,280.28 = 6,186.42 : x
  2. Step 2: Convert to fraction form
    10,862.46/16,280.28 = 6,186.42/x
  3. Step 3: Cross multiply
    10,862.46x = 16,280.28 × 6,186.42
  4. Step 4: Simplify right side
    10,862.46x = 100,716,649.80
  5. Step 5: Solve for x
    x = 100,716,649.80/10,862.46
  6. Step 6: Final answer
    x = 9,271.99

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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.