Home / 11,022.89-15,211.67-6,307.07

Finding the Fourth Proportional to 11,022.89, 15,211.67 and 6,307.07

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Solution

The fourth proportional to 11,022.89, 15,211.67 and 6,307.07 is: 8,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.89 : 15,211.67 = 6,307.07 : x
  2. Step 2: Convert to fraction form
    11,022.89/15,211.67 = 6,307.07/x
  3. Step 3: Cross multiply
    11,022.89x = 15,211.67 × 6,307.07
  4. Step 4: Simplify right side
    11,022.89x = 95,940,959.91
  5. Step 5: Solve for x
    x = 95,940,959.91/11,022.89
  6. Step 6: Final answer
    x = 8,703.80

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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.