Home / 12,040.23-18,061.16-4,644.75

Finding the Fourth Proportional to 12,040.23, 18,061.16 and 4,644.75

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Solution

The fourth proportional to 12,040.23, 18,061.16 and 4,644.75 is: 6,967.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.23 : 18,061.16 = 4,644.75 : x
  2. Step 2: Convert to fraction form
    12,040.23/18,061.16 = 4,644.75/x
  3. Step 3: Cross multiply
    12,040.23x = 18,061.16 × 4,644.75
  4. Step 4: Simplify right side
    12,040.23x = 83,889,549.69
  5. Step 5: Solve for x
    x = 83,889,549.69/12,040.23
  6. Step 6: Final answer
    x = 6,967.44

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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.