Home / 12,046.50-18,074.40-4,648.89

Finding the Fourth Proportional to 12,046.50, 18,074.40 and 4,648.89

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Solution

The fourth proportional to 12,046.50, 18,074.40 and 4,648.89 is: 6,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.50 : 18,074.40 = 4,648.89 : x
  2. Step 2: Convert to fraction form
    12,046.50/18,074.40 = 4,648.89/x
  3. Step 3: Cross multiply
    12,046.50x = 18,074.40 × 4,648.89
  4. Step 4: Simplify right side
    12,046.50x = 84,025,897.42
  5. Step 5: Solve for x
    x = 84,025,897.42/12,046.50
  6. Step 6: Final answer
    x = 6,975.13

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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.