Home / 10,040.20-13,855.66-6,060.40

Finding the Fourth Proportional to 10,040.20, 13,855.66 and 6,060.40

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Solution

The fourth proportional to 10,040.20, 13,855.66 and 6,060.40 is: 8,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.20 : 13,855.66 = 6,060.40 : x
  2. Step 2: Convert to fraction form
    10,040.20/13,855.66 = 6,060.40/x
  3. Step 3: Cross multiply
    10,040.20x = 13,855.66 × 6,060.40
  4. Step 4: Simplify right side
    10,040.20x = 83,970,841.86
  5. Step 5: Solve for x
    x = 83,970,841.86/10,040.20
  6. Step 6: Final answer
    x = 8,363.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.