Home / 11,092.72-15,307.90-6,312.68

Finding the Fourth Proportional to 11,092.72, 15,307.90 and 6,312.68

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Solution

The fourth proportional to 11,092.72, 15,307.90 and 6,312.68 is: 8,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,092.72 : 15,307.90 = 6,312.68 : x
  2. Step 2: Convert to fraction form
    11,092.72/15,307.90 = 6,312.68/x
  3. Step 3: Cross multiply
    11,092.72x = 15,307.90 × 6,312.68
  4. Step 4: Simplify right side
    11,092.72x = 96,633,874.17
  5. Step 5: Solve for x
    x = 96,633,874.17/11,092.72
  6. Step 6: Final answer
    x = 8,711.47

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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.