Home / 11,557.67-17,328.15-6,866.55

Finding the Fourth Proportional to 11,557.67, 17,328.15 and 6,866.55

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Solution

The fourth proportional to 11,557.67, 17,328.15 and 6,866.55 is: 10,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.67 : 17,328.15 = 6,866.55 : x
  2. Step 2: Convert to fraction form
    11,557.67/17,328.15 = 6,866.55/x
  3. Step 3: Cross multiply
    11,557.67x = 17,328.15 × 6,866.55
  4. Step 4: Simplify right side
    11,557.67x = 118,984,608.38
  5. Step 5: Solve for x
    x = 118,984,608.38/11,557.67
  6. Step 6: Final answer
    x = 10,294.87

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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.