Home / 11,166.30-16,749.45-4,590.30

Finding the Fourth Proportional to 11,166.30, 16,749.45 and 4,590.30

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Solution

The fourth proportional to 11,166.30, 16,749.45 and 4,590.30 is: 6,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.30 : 16,749.45 = 4,590.30 : x
  2. Step 2: Convert to fraction form
    11,166.30/16,749.45 = 4,590.30/x
  3. Step 3: Cross multiply
    11,166.30x = 16,749.45 × 4,590.30
  4. Step 4: Simplify right side
    11,166.30x = 76,885,000.34
  5. Step 5: Solve for x
    x = 76,885,000.34/11,166.30
  6. Step 6: Final answer
    x = 6,885.45

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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.