Home / 12,040.48-18,056.23-4,140.76

Finding the Fourth Proportional to 12,040.48, 18,056.23 and 4,140.76

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Solution

The fourth proportional to 12,040.48, 18,056.23 and 4,140.76 is: 6,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.48 : 18,056.23 = 4,140.76 : x
  2. Step 2: Convert to fraction form
    12,040.48/18,056.23 = 4,140.76/x
  3. Step 3: Cross multiply
    12,040.48x = 18,056.23 × 4,140.76
  4. Step 4: Simplify right side
    12,040.48x = 74,766,514.93
  5. Step 5: Solve for x
    x = 74,766,514.93/12,040.48
  6. Step 6: Final answer
    x = 6,209.60

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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.