Home / 11,913.72-16,442.90-6,610.24

Finding the Fourth Proportional to 11,913.72, 16,442.90 and 6,610.24

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Solution

The fourth proportional to 11,913.72, 16,442.90 and 6,610.24 is: 9,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.72 : 16,442.90 = 6,610.24 : x
  2. Step 2: Convert to fraction form
    11,913.72/16,442.90 = 6,610.24/x
  3. Step 3: Cross multiply
    11,913.72x = 16,442.90 × 6,610.24
  4. Step 4: Simplify right side
    11,913.72x = 108,691,482.24
  5. Step 5: Solve for x
    x = 108,691,482.24/11,913.72
  6. Step 6: Final answer
    x = 9,123.22

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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.