Home / 8,724.76-12,040.50-4,999.48

Finding the Fourth Proportional to 8,724.76, 12,040.50 and 4,999.48

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Solution

The fourth proportional to 8,724.76, 12,040.50 and 4,999.48 is: 6,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.76 : 12,040.50 = 4,999.48 : x
  2. Step 2: Convert to fraction form
    8,724.76/12,040.50 = 4,999.48/x
  3. Step 3: Cross multiply
    8,724.76x = 12,040.50 × 4,999.48
  4. Step 4: Simplify right side
    8,724.76x = 60,196,238.94
  5. Step 5: Solve for x
    x = 60,196,238.94/8,724.76
  6. Step 6: Final answer
    x = 6,899.47

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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.