Home / 12,110.42-18,166.44-4,714.40

Finding the Fourth Proportional to 12,110.42, 18,166.44 and 4,714.40

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Solution

The fourth proportional to 12,110.42, 18,166.44 and 4,714.40 is: 7,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.42 : 18,166.44 = 4,714.40 : x
  2. Step 2: Convert to fraction form
    12,110.42/18,166.44 = 4,714.40/x
  3. Step 3: Cross multiply
    12,110.42x = 18,166.44 × 4,714.40
  4. Step 4: Simplify right side
    12,110.42x = 85,643,864.74
  5. Step 5: Solve for x
    x = 85,643,864.74/12,110.42
  6. Step 6: Final answer
    x = 7,071.92

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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.