Home / 12,001.48-18,004.95-4,609.42

Finding the Fourth Proportional to 12,001.48, 18,004.95 and 4,609.42

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Solution

The fourth proportional to 12,001.48, 18,004.95 and 4,609.42 is: 6,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.48 : 18,004.95 = 4,609.42 : x
  2. Step 2: Convert to fraction form
    12,001.48/18,004.95 = 4,609.42/x
  3. Step 3: Cross multiply
    12,001.48x = 18,004.95 × 4,609.42
  4. Step 4: Simplify right side
    12,001.48x = 82,992,331.62
  5. Step 5: Solve for x
    x = 82,992,331.62/12,001.48
  6. Step 6: Final answer
    x = 6,915.18

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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.