Home / 11,280.28-16,923.88-5,045.54

Finding the Fourth Proportional to 11,280.28, 16,923.88 and 5,045.54

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Solution

The fourth proportional to 11,280.28, 16,923.88 and 5,045.54 is: 7,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.28 : 16,923.88 = 5,045.54 : x
  2. Step 2: Convert to fraction form
    11,280.28/16,923.88 = 5,045.54/x
  3. Step 3: Cross multiply
    11,280.28x = 16,923.88 × 5,045.54
  4. Step 4: Simplify right side
    11,280.28x = 85,390,113.50
  5. Step 5: Solve for x
    x = 85,390,113.50/11,280.28
  6. Step 6: Final answer
    x = 7,569.86

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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.