Home / 7,981.50-11,014.47-4,444.65

Finding the Fourth Proportional to 7,981.50, 11,014.47 and 4,444.65

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Solution

The fourth proportional to 7,981.50, 11,014.47 and 4,444.65 is: 6,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.50 : 11,014.47 = 4,444.65 : x
  2. Step 2: Convert to fraction form
    7,981.50/11,014.47 = 4,444.65/x
  3. Step 3: Cross multiply
    7,981.50x = 11,014.47 × 4,444.65
  4. Step 4: Simplify right side
    7,981.50x = 48,955,464.09
  5. Step 5: Solve for x
    x = 48,955,464.09/7,981.50
  6. Step 6: Final answer
    x = 6,133.62

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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.