Home / 11,280.78-16,925.22-5,040.27

Finding the Fourth Proportional to 11,280.78, 16,925.22 and 5,040.27

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Solution

The fourth proportional to 11,280.78, 16,925.22 and 5,040.27 is: 7,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.78 : 16,925.22 = 5,040.27 : x
  2. Step 2: Convert to fraction form
    11,280.78/16,925.22 = 5,040.27/x
  3. Step 3: Cross multiply
    11,280.78x = 16,925.22 × 5,040.27
  4. Step 4: Simplify right side
    11,280.78x = 85,307,678.61
  5. Step 5: Solve for x
    x = 85,307,678.61/11,280.78
  6. Step 6: Final answer
    x = 7,562.21

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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.