Home / 7,424.97-11,111.67-4,612.65

Finding the Fourth Proportional to 7,424.97, 11,111.67 and 4,612.65

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Solution

The fourth proportional to 7,424.97, 11,111.67 and 4,612.65 is: 6,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.97 : 11,111.67 = 4,612.65 : x
  2. Step 2: Convert to fraction form
    7,424.97/11,111.67 = 4,612.65/x
  3. Step 3: Cross multiply
    7,424.97x = 11,111.67 × 4,612.65
  4. Step 4: Simplify right side
    7,424.97x = 51,254,244.63
  5. Step 5: Solve for x
    x = 51,254,244.63/7,424.97
  6. Step 6: Final answer
    x = 6,902.96

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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.