Home / 8,501.48-11,731.83-4,724.65

Finding the Fourth Proportional to 8,501.48, 11,731.83 and 4,724.65

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Solution

The fourth proportional to 8,501.48, 11,731.83 and 4,724.65 is: 6,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.48 : 11,731.83 = 4,724.65 : x
  2. Step 2: Convert to fraction form
    8,501.48/11,731.83 = 4,724.65/x
  3. Step 3: Cross multiply
    8,501.48x = 11,731.83 × 4,724.65
  4. Step 4: Simplify right side
    8,501.48x = 55,428,790.61
  5. Step 5: Solve for x
    x = 55,428,790.61/8,501.48
  6. Step 6: Final answer
    x = 6,519.90

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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.