Home / 11,280.67-15,567.19-6,244.90

Finding the Fourth Proportional to 11,280.67, 15,567.19 and 6,244.90

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Solution

The fourth proportional to 11,280.67, 15,567.19 and 6,244.90 is: 8,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.67 : 15,567.19 = 6,244.90 : x
  2. Step 2: Convert to fraction form
    11,280.67/15,567.19 = 6,244.90/x
  3. Step 3: Cross multiply
    11,280.67x = 15,567.19 × 6,244.90
  4. Step 4: Simplify right side
    11,280.67x = 97,215,544.83
  5. Step 5: Solve for x
    x = 97,215,544.83/11,280.67
  6. Step 6: Final answer
    x = 8,617.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.